Dissident Republican groups are planning new terror attacks to damage the peace process, the prime minister warned yesterday.

Two police officers escaped without injury after a rocket blew up their car.

The attack was blamed on breakaway republicans.

The Ulster Unionists yesterday pressed the government to expel Sinn Fein from the province's power-sharing government because of allegations of continuing IRA activity.

The party has set a deadline of July 24 for Blair to respond to the demand.