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A series of attacks on security forces in Pakistan has killed at least 38 people, officials say.

In Lahore, militants attacked offices of the Federal Investigation Agency (FIA), as well as two police training centres. At least 26 people died.

In the northern town of Kohat, 11 were killed in a car bomb attack on police. Later a bomb in nearby Peshawar in the north-west killed at least one child.

Humphrey Hawksley reports on the recent rise in violence in the country.