**Police in the US state of Washington say they have shot dead the man suspected of killing four police officers at the weekend.**Maurice Clemmons, 37, was killed in Seattle early on Tuesday, a spokesman for the Pierce County Sheriff was quoted as saying by AP news agency.
He had been on the run since the officers were killed as they sat in a cafe near the city.
Police had been conducting door-to-door searches using sniffer dogs.
A reward of $125,000 (£76,000) had been posted for information leading to Mr Clemmons’ arrest.
Police have said they do not know why he shot the officers in Lakewood, south of Seattle on Sunday.