Donald Trump urges end to gun-free school zones after man killed 19 children and two teachers at a Texas school
New Zealand's Jacinda Ardern piles pressure on Joe Biden in Harvard gun reform speech after Texas shooting
James Corden slams America as one of the most 'backward countries in the world' after Texas school shooting
Joe Biden calls for US 'to stand up to the gun lobby' with at least 19 children dead in Texas school shooting