French police clashed with demonstrators at the traditional May Day rallies in Paris on Sunday, with windows smashed and damage to businesses. Police used tear gas and water canons after protesters damaged insurance company branches, a McDonald’s outlet and banks. People wearing hoods also tried to build a barricade. Nationwide, tens of thousands of people joined May Day rallies, according to reports. French Interior Minister Gérald Darmanin took to Twitter to condemn the rioting, calling the violence unacceptable. He said 29 people had been arrested in Paris alone by evening. This year’s demo…