LAHORE, Jan 18: Pakistan Tehrik-i-Insaaf chairman Imran Khan, along with secretary-general Arif Alvi, left here on Friday for a 10-day visit to America.

The Houston University, the Asia Society as well as several other organisations invited the PTI leaders to visit the US. The PTI media office said Imran would attend seminars and functions to be arranged by different organisations to discuss the role of Pakistan in international politics.-—APP