Bihar's contentious prohibition policy sparked a showdown in the Assembly today between Chief Minister Nitish Kumar and Leader of the Opposition Tejashwi Yadav, who hit out at the ruling JDU-BJP government over the recovery of empty liquor bottles from the Vidhan Sabha premises. Mr Yadav - who has been critical of the Bihar government's prohibition policy - told reporters the empty bottle were yet more evidence of that failure.(Video credit: ANI)