JERUSALEM — Rising tensions and sometimes violent protests around the nation on Sunday prompted Israeli police to go on heightened alert after the fatal shooting of an Arab-Israeli man, escalating fears that a new Palestinian uprising is in the offing.Thousands of Palestinians took to the streets in east Jerusalem, where masked men and youths hurled stones at Israeli police. Clashes erupted in the A-Tur area on the Mount of Olives, with Palestinian residents clashing with Israeli border patrol forces.
