"Saudi Arabia has used British and American weaponry to help Bahrain quash unarmed protesters in 2011, and is now using its sophisticated weaponry against impoverished Yemeni civilians. Yet only last month, the British government invited the country to its London arms fair. “There’s almost nothing the Saudis could do to stop British sales,” Smith said. Arms dealers often receive implicit support from Western governments, and can travel the planet often without facing prosecution."