Police said Thursday they have revised their security plans for next week's conference of the governing Labour Party following the theft of a military laptop which had details of preparations.
The laptop, which also had plans for the opposition Conservative Party conference, was in a car that was stolen from a service station west of London on Tuesday.
Greater Manchester Police said plans for policing the Labour conference, which starts on Sunday, had been changed "to ensure that security at the conference has not been compromised."
Police in Dorset said they also had revised plans for the Conservative conference after the theft.
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