Unprecedented scenes were witnessed inside Pakistan National Assembly after police stormed Parliament lodges and roughed up opposition lawmakers before arresting them. The trouble erupted after volunteers of Ansarul Islam, a private militia of Jamiat Ulema-e-Islam Fazl (JUI-F) had been invited inside the lodges to provide security to opposition members ahead of the the no-trust vote against PM Imran Khan. Four lawmakers and two dozen volunteers were arrested in the operation, drawing strong protests from opposition. Watch the video for full details.