Suicide bomber kills 5 policemen in Islamabad
A suicide bomber has killed five policemen when they detonated a bomb near a security base in Islamabad.
It is thought that the bomber slipped into the base and went towards a mess tent; a number of police were also injured.
This is the second such attakc in a number of weeks.
A suicide bomb attack on a police station on 23 March left one policeman dead and another injured.
The Pakistani Taleban leader, Baitullah Mehsud, claimed responsibility for that attack.