ISLAMABAD: Pakistan Tehreek-i-Insaf (PTI) Additional General Secretary Saifullah Niazi has resigned from his post after developing differences over party policies , Geo News quoted sources as saying on Saturday .
Niazi is said to have sent his resignation to Imran Khan. A PTI spokesperson also confirmed that Niazi has stepped down from the party post.
He, however, said the resignation has not been accepted yet.