Police say unknown attackers have killed at least seven police officers in central Pakistan.
attack happened early Saturday near the town of Mianwali, in Punjab
province. Police say militants first opened fire on a police
checkpoint and then blew it up with explosives.
The outpost building was destroyed in the blast.
Security officials say it is not clear who is behind the attack.
is near the restive North West Frontier Province, where Pakistani
security forces have been battling pro-Taliban militants.
Some information for this report was provided by AFP and AP.