UTRECHT, Netherlands—Protests broke out in a northern Dutch city Saturday night as a new COVID-19 lockdown forced bars and restaurants to close at 8 p.m. Dutch broadcaster NOS reported that hundreds of young people gathered in a central square in Leeuwarden, 140 kilometers (85 miles) north of Amsterdam. Video showed them setting off fireworks and holding flares billowing smoke. NOS reported that riot police later moved in to push the protesters off the square. Elsewhere in the Netherlands, media reported that bars in the southern city of Breda remained open beyond the new lockdown mandated closing time. In the central city of Utrecht, student Suzanne van de Weerd wasn’t happy with the new restrictions. “It is very difficult for me to accept” the lockdown, she said. “It is too bad and that’s something that spoils my social life as a student and the way I relax.” Nearly 85 percent of …