Suicide bombers struck at the U.S. Consulate-General in Peshawar on Monday afternoon in an attempt to breach the premises.
Two Pakistani guards and four terrorists were killed in the attack and no American casualties were reported.
The Tehrik-i-Taliban (TTP-Pakistan wing of the Taliban) has claimed responsibility for the attack, which is being billed by security analysts as similar to the terror strike at the General Headquarters of the Army in Rawalpindi in October last.
Hours earlier, in a suicide bomb strike at an Awami National Party rally in the Lower Dir district of North West Frontier Province over 40 persons were killed.
A TTP spokesman told AFP that the attack was to avenge the drone attacks in North Waziristan and there would be more attacks on “any place where there are Americans.''