Serbian police have arrested 11 people over hate-motivated acts in France and Germany, including defacing Jewish sites and placing pigs' heads near mosques, authorities said Monday.

A twelfth suspect, "currently on the run", is accused of training the group nationals on "the instructions of a foreign intelligence service", the Interior Ministry said in a statement, without specifying their nationality.

"Their objective was also to spread ideas advocating and inciting hatred, discrimination and violence based on differences," the statement said.

France has launched a series of investigations in recent years into acts of vandalism linked to foreign interference, with many observers pointing the finger at Moscow.

Those attacks have often targeted the country's significant Jewish and Musli

See Full Page