NEW : An Interior Ministry spokesman reports One arrests and 145 policemen injured . NEW : It is the most populous and one of the most influential nations in the Arab world . One protester , an ex-convict , is killed by birdshot , Interior Ministry adds . There have been scores of injuries over the last four days near the U.S. embassy . One analyst said Middle East put Morsy `` on notice '' to tamp down violence .
NEW : An Interior Ministry spokesman reports One arrests and 145 policemen injured . NEW : One protester , an ex-convict , is killed by birdshot , Interior Ministry adds . There have been scores of injuries over the last four days near the U.S. embassy . One analyst said Middle East put Morsy `` on notice '' to tamp down violence .