THE HAGUE, Netherlands—Dutch police said Wednesday that the fourth night of the Netherlands’ coronavirus curfew passed more peacefully than the previous three nights marred by rioting. Even so, officers arrested 131 people, mainly for public order offenses and incitement. “It was calmer around the curfew on Tuesday night than the days before,” police said in a statement. Underscoring the role of young people, who have been forced to stay home from school for weeks due to the country’s tough lockdown, police said that most suspects arrested for inciting riots through social media were under age 18. The rioting has rocked the Netherlands, which has a caretaker government after Prime Minister Mark Rutte’s ruling coalition resigned earlier this month over a scandal involving child welfare benefit fraud investigations. The pandemic is expected to be a key campaign issue before a general election scheduled for March 17. Prosecutions of rioters began Wednesday, …