17 January 1942. River Kerian, Malaya.
The British Empire forces holding positions on the south of the river was made up of elements of 10th/28th Brigade. After their efforts at Gurun, the two Brigades had been withdrawn to Ipoh for a rest. Casualties had been heavy, it had been necessary to amalgamate the two Brigades as 6th/15th Brigade had been previously. 10th/28th Brigade’s main force was alongside 12th Indian Brigade in the area around Kuala Kangsar, which was much more suitable for creating a sustainable defensive position.
The Battalions had detached Companies (B & C) of 1st/2nd Gurkha Rifles at the road and railway bridges nearer the coast, and B Company 2nd Bn HLI at Selama. Their roles were simply to blow the bridges in the face of the enemy and then withdraw at their best possible speed to their fall-back positions. After destroying the river bridges, it had been arranged for the Perak Public Works Department to flood the trunk road between Nibong Tebal and Bagan Serai. Two Companies of the Baluch/Garhwal Regiment had been working with Royal Engineers and Bombay Sappers and Miners to destroy as much of the infrastructure that may have been useful to the enemy between the river Kerian and Taiping.
It wasn’t entirely clear to the British commanders just why exactly there had been a hiatus in the Japanese offensive. Reports from the 1st Independent Company working behind enemy lines had noted that more men and supplies were being moved forward. This tallied with the arrival of more ships into Bangkok, probably with new drafts of troops to replace losses or even new formations. The likelihood was that the Japanese would have needed to resupply their artillery, and there had been some evidence of less intensive air movements, which perhaps was due to the need for more aviation fuel and bombs.
The reality for the men on the river Kerian was that whatever had been slowing the Japanese advance was now resolved. Reports of Japanese movement, especially of tanks, were increasing. A last wave of refugees had been allowed to cross the bridges, but B Company of 1st/2nd Gurkha Rifles were horrified to find that a group of what they believed to be Chinese in fact were an advance party of Japanese, driving Malay civilians ahead of them at gunpoint. The fighting around the detonator for the demolition of the road bridge was fierce, the kukris of the Gurkhas were edged with blood when one of the sergeants, grievously wounded, threw himself onto a hand grenade, allowing the Royal Engineer officer time to press the plunger and set off the demolition charges. Some of the Japanese had been trying to pull wires and explosives off the bridge, so the demolition was less effective than it should have been. The bridge was only partially destroyed, so that soldiers on foot could cross, and the Japanese engineers only had to patch it up to allow tanks and other vehicles to cross.
The surviving senior Lieutenant of B Company ordered the men to go immediately to the Motor Transport to withdraw as planned. One Platoon volunteered to stay behind as a rear-guard and to protect the engineers from the Public Works to be able to flood the road. In this they were only partially successful, but they took a toll on the Japanese troops trying to stop them.
Similar attempts at both the railway bridge and at Selama were less successful, but the HLI Company found a roadblock at their rear when they were pulling out. The infiltration technique was still one of the Japanese basic tactics. The men of B Company 2nd Bn HLI were mainly pre-war regulars from around the Glasgow area, who’d fought in East Africa and at the Ledge, so there was no panic. They used their Bren Gun Carriers effectively to overwhelm the blocking force and escape, leaving behind some of the Motor Transport in flames and eight dead men, with a few more wounded men who’d been left who were soon dispatched by the Japanese. As the Gurkhas and HLI withdrew, the other demolitions that had been prepared were carried out in a more hurriedly way than originally planned for. This meant that a couple of platoons had to abandon their transport and make their way by foot back to the main positions.
Because the area around the river Kerian tended to be swampy, most of the demolitions were to culverts and small bridges to make the progress of the Japanese, which would be tied mostly to the road as slow as possible. The decision made by Percival, Heath and Murray-Lyon was to make the main line of resistance the Perak River. Although it generally ran north to south parallel to the coast, the main road and rail links crossed the river around the area of Kuala Kangsar.
Ipoh, where the 11th Indian Division had its main depot, was only fifteen miles away, and so for the first time since the invasion of Malaya, Murray-Lyon was able to concentrate his whole Division. Now made up of the two combined Brigades, 6th/15th and 10th/28th as well as the fresh 12th Indian Brigade. 29th Indian Brigade had become III Indian Corps reserves, although it had been weakened at the Muda River battles. Earlier in January the two convoys BM 9A and 9B had arrived from Bombay carrying 3800 Indian troops, with stores, as drafts of replacements for 9th and 11th Indian Divisions. The men allocated to 11th Indian Division had been brought to Ipoh where their training was brought up to scratch. Those furthest advanced in training had been allocated to 6th/15th and 10th/28th Brigades, bringing all six battalions up to full strength. The rest were drafted into 29th Indian Brigade to complete their readiness for battle.
The other advantage for Murray-Lyon was that his whole Royal Artillery strength could also be concentrated. 22nd Mountain Artillery Regiment, 137th and 155th Field Regiments RA had all taken casualties, but were now battle hardened and experienced. III Corps artillery, which had originally been part of 5th Indian Division, had been spilt between 9th and 11th Indian Divisions. The 4th and 144th Field Regiments were available to 11th Division and 28th Field Regiment and 24th Indian Mountain Regiment were available for 9th Division. All these had been in action at various points and Lt General Heath was keen for 11th Division to use the artillery wisely. Brigadier Claude Vallentin had taken over as Commander Royal Artillery for 11th Division and he had presented Heath and Murray-Lyon with a comprehensive fire plan for the defence of the Perak River positions.
In addition to the Field Regiments, 80th and 85th Anti-Tank Regiments RA were available, along with Machine Gun companies from 3rd Bn 17th Dogra Regiment and 1st Battalion Manchester Regiment. Murray-Lyon was particularly pleased to have 3rd Light Anti-Aircraft Regiment of the Hong Kong and Singapore Royal Artillery under his command. The various batteries of this Regiment had been previously defending the airfields of northern Malaya. Heath had managed to persuade Percival that the problems caused by Japanese aircraft, particularly to the artillery, meant that giving 11th Division some integrated anti-aircraft defence was essential.
The Royal Engineers and Bombay Sappers and Miners had been working with local levies of labourers to prepare for a defence in depth. This work had been going on for almost a month, it was always obvious that the Perak River provided one of the best positions to defend the rest of the country. It was by no means perfect, but knowing that the Australian Corps (8 & 9 Divisions AIF, 18th Infantry Division) were undergoing a Corps level exercise as the final preparation for taking over from III Indian Corps, Heath and Murray-Lyon were confident that they could hold here long enough to stymie the Japanese plans and then allow Mackay’s men to take the initiative.