RT News - May 20, 2014 (17:00 MSK)

Technology, trade, and the chance of one of the biggest energy deals ever push Russia and China closer together, with President Putin travelling to Shanghai to bolster ties; Two trains collide in the Moscow region killing at least five and leaving dozens injured. Rescuers are working to free those still trapped in the twisted wreckage; And, two Russian journalists detained in Ukraine were hunted down after filming the use of UN-marked helicopter during a military operation in the east, says the channel they work for.