Pakistan has said it is reviewing its relations and cooperation with the United States following a drone strike which killed a Taliban leader.
The attack happened one day before the Pakistani government was due to engage the Taliban in peace talks.
Pakistan's Information Minister has said that the US drone attack - that killed Pakistani Taliban chief has disrupted possible peace talks between the government and the Taliban.
The Taliban has named a new commander who said there will be a wave of suicide bombs in revenge for the killing.
The drone targeted Hakimullah Mehsuds vehicle in northwest Pakistan killing him and three others returning from a meeting of Taliban leaders.
Pakistan has also summoned the US ambassador to protest against the latest drone attack.
Ordinary Pakistanis have reacted angrily to the drone attack.
Mr Meshuds second in command has been installed as the new Taliban chief in Pakistan.
The new commander's reputation precedes him.
Last year Khan Said allegedly master the biggest prison break in the country freeing 400 prisoners from this jail.
In 2011, he left an attack on this military base, in apparent revenge for the death of Osama Bin Laden
Pakistan's security forces are on high alert fearing the killing will be avenged.
Pakistan's cricketer-turned-politician Imran Khan has vowed to block NATO supplies from passing through Khyber Pakhtunkhwa.
The area is seen as crucial as US-led allied forces prepare to leave the war-torn country in 2014.