British Prime Minister Theresa May has urged Saudi Arabia to cooperate with the Turkish investigation into the murder of dissident journalist Jamal Khashoggi. According to her office, she talked with Saudi King Salman on phone in this regard.<br />''  <br />''A Downing Street spokeswoman said, in a statement, the prime minister said the current explanation lacks credibility so there remains an urgent need to establish exactly what happened.<br />'' <br />''The statement said, British Prime Minister strongly urged Saudi Arabia to cooperate with the Turkish investigation and to be transparent about the results.<br />''<br />''<br />