Ukrainian President Petro Poroshenko banned a number of Western and Russian journalists from the country, accusing them of being a "threat to national interests" or promoting "terrorist activities," according to a list published on the presidential website on Wednesday. Two British journalists working for the BBC—Moscow correspondent Steve Rosenberg and producer Emma Wells— and BBC cameraman Anton Chicherov had been banned from entering Ukraine but Judith Gough, the British ambassador to Ukraine, confirmed on Twitter that the BBC journalists would be released. Two Spanish journalists, Antonio Pampliega and Angel Sastre, were also included on the blacklist although Sastre went missing...