KARACHI / ISLAMABAD: The Muttahida Qaumi Movement filed a lawsuit on Tuesday against Imran Khan, chairman of the Pakistan Tehreek-i-Insaf, claiming damages of Rs5 billion for allegedly defaming and maligning MQM chief Altaf Hussain.

The PTI announced that it also would file a defamation suit against the MQM and its leaders.

MQM leader Dr Farooq Sattar filed the suit in the Sindh High Court, submitting that Mr Khan had accused Mr Hussain of being involved in the murder of PTI leader Zehra Shahid and of inciting violence.