ISLAMABAD : Interior Minister Chaudhry Nisar Ali Khan was taken to hospital after suffering from chest pains on Friday night, reported a private TV channel. Nisar was taken to Armed Forces Institute of Cardiology (AFIC) in Rawalpindi to undergo an angiography. Prior to being made the interior minister he had been PML-N's Leader of the Opposition from 2008 till 2013, when the PML-N won the general elections.