Britain gets involved in the Russo-Japanese war?

Say the Dogger Bank Incident escalated into Britain joining the war. Maybe their is a RN ship in the vicinity and they get fired on by mistake and leads to Britain joining the war. How would that affect
1) British society, ie do the conservatives not lose in 1906. Imperial preference? Increased Russophobia?
2) International alliances does France join in the war? Does Germany? If not does Britain later ally with Germany against Russia?
 
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