Pakistan university attack: Imran Khan condemns
"Strongly condemn cowardly terrorist attack on Bacha Khan Uni Charsadda today. The nation stands united & resolute against terrorism," Khan tweeted.
At least 21 people were feared killed after a group of terrorists stormed a university in volatile northwestern Pakistan on Wednesday.
Media reports quoted Deputy Inspector General Saeed Wazi as saying that at least three students have been killed.
Four terrorists have also been killed after the army moved into Bach Khan university at Charsadda in northwest Khyber Pakhtunkhwa province.