RT News - April 2, 2015 (13:00 MSK)

54 crew are confirmed dead after a Russian trawler sinks in the country's far east; The Russian Foreign Ministry says it's evacuating all diplomatic staff from Yemen, amid a spiraling civil war and Saudi-led airstrikes; Top-level discussions are stretching into yet another day in Switzerland. Negotiators are working out details of how best to lift sanctions in return for Iran limiting its nuclear activities.