Aerials show US Jewish cemetery damage
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Headstones overturned at Jewish cemetery in Philadelphia

More than 100 headstones have been vandalised at a Jewish cemetery in Philadelphia just days after a similar incident was reported in St Louis.

Police were called to Mount Carmel cemetery on Sunday after a man visiting the facility noticed that three of his relatives' headstones had been knocked over and damaged.

US officials said that a criminal investigation had been launched.