French authorities cleared a makeshift camp outside Paris’s Hôtel de Ville at dawn on Tuesday, relocating about 200 migrants—mostly women and children—to temporary reception centers in Marseille, Bourges and Besançon. The Île-de-France prefecture said the operation was calm and voluntary, though some families refused to board buses because they work or have children enrolled in schools in the capital. Officials estimated that as many as 350 people, including 150 children, had slept on the square for a week after the region’s emergency-housing network ran out of space. City social-assistance teams and the charity France Terre d’Asile helped coordinate the evacuation, which the prefecture described as a public-health measure amid a heatwave in Paris. The clearance highlights mounting pressure on France’s asylum system. On Monday night, rescue crews pulled 166 migrants from the English Channel off Pas-de-Calais, while a separate attempt from Dunkirk cost a woman her life— the 19th sea-crossing fatality recorded this year, according to official data. Germany’s Sea-Watch also reported saving 73 people off Libya on Tuesday. Tensions on land have risen as well. In Gravelines on Sunday, firefighters answering a call at a migrant camp were attacked, prompting the national firefighters’ federation to demand tougher penalties for assaults on emergency personnel. The government says it is expanding shelter capacity and improving coordination with the U.K. under a new bilateral accord aimed at curbing dangerous Channel crossings, even as summer weather continues to draw migrants to northern French beaches.