Mourners queue up for hours to pay respects as Queen Elizabeth II lies in state

Mourners queue up for hours to pay respects as Queen Elizabeth II lies in state

Mourners from around the world have been waiting in line for as long as 15 hours to pay their respects to Queen Elizabeth II, who is lying-in-state in Westminster Hall. World leaders are expected to arrive in London ahead of the state funeral Monday. Imtiaz Tyab has more.