DISPUTE ON ULSTER BREAKS THE TRUCE OF BRITISH PARTIES
Brit pol parties' truce over the Ulster crisis, which has been frayed by deaths and bitterness in Ulster, breaks when Labor party demands that Heath Govt take all responsibility for security from Ulster provincial govt and forces vote on the issue in House of Commons; vote for Brit takeover is defeated, 304-266, but prospect of partisan dispute on issue remains; vote comes at end of emergency debate on killing of 13 in Londonderry; key ss in debate were made by MPs B Devlin and G Fitt, both from Ulster, and Prot right-wing leader Rev I Paisley; Devlin warns killings in Londonderry signify 'last vestige of Brit rule' in Ulster; Fitt tells Brit Govt he will go on participating in illegal protest marches as long as there is policy of internment; Labor leader H Wilson argues for Brit control of security, but many leaders say privately that this is only an interim course and that united Ireland must be ultimate step; some details of ss; Prime Min Heath appts Lord Chief Justice of England Lord Widgery to conduct official inquiry into incident