RT News - April 20, 2016 (12:00 MSK)

UK prisons as "breeding ground for Islamist radicalisation" - as a leaked report made by a former UK Home Office official reveals that Muslim chaplains have allegedly been promoting extremism in British prisons. U.S. presidential hopefuls Hillary Clinton and Donald Trump pull away from their rivals after winning big in the New York primary. Barack Obama's pressured to release classified pages of a report into 9/11, that allegedly exposes the possible role of Saudi Arabia in the terror attacks on the U.S. After blocking the website of Russia's Sputnik news agency, Turkish authorities prevent its Russian bureau chief from entering the country, putting him on the next flight home.