Police use pepper spray to disperse protesters at Trump's Phoenix rally

Police officials lob tear gas to try and disperse demonstrators after a Donald Trump campaign rally in Phoenix, Arizona, U.S. August 22, 2017. REUTERS/Sandy Huffaker

PHOENIX (Reuters) - Police fired pepper spray to disperse protesters outside a rally by U.S. President Donald Trump in Phoenix, Arizona, on Tuesday after being pelted with rocks and bottles, police said.

Police have not given an estimate of the number of protesters, but Arizona media said there were several thousand. Police did not say whether the pepper spray was used on pro- or anti-Trump protesters, or both.