Cleveland's police union called for the suspension of a state law that allows people to carry firearms during the Republican National Convention but Ohio's governor said he was powerless to act despite heightened security concerns with the killing on Sunday of three police officers in Louisiana.
Republican Donald Trump seized on the shooting deaths in Baton Rouge, Louisiana, to bolster his case the United States is leaderless and he is the better candidate in the Nov. 8 U.S. presidential election to restore law and order than his rival, Democrat Hillary Clinton.
It was not immediately clear there was a link between Sunday's shootings and recent unrest countrywide over police killings of black men, one of them a shooting in Baton Rouge about two weeks ago.
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