Iran nuclear deal under review as uncertainty grows

Iran and major powers met Tuesday in Vienna to review adherence to their 2015 nuclear deal as uncertainty grows about the landmark accord's future under US President Donald Trump.The regular quarterly meeting heard, as Washington confirmed last week, that Iran is sticking to its side of the deal with the United States, Russia, China, Britain, France and Germany, diplomats said.The accord saw Tehran drastically curb its nuclear activities in order to ease concerns that Iran wanted to build an ato