Yemeni police Thursday shot dead four protesters and wounded 34 others when they opened fire on a crowd attempting to storm the US embassy in Sana'a to protest a film mocking Islam, a security official said. The White House, meanwhile, said it was doing everything it could to protect its diplomats in Yemen, where witnesses reported that roads leading to embassy were closed down as the area was calm later in the evening. "Four people were killed and 34 others were wounded in the clashes that lasted from morning until late in the evening" in the area around the U.S....