Police in London are investigating an arson attack on several ambulances from a Jewish volunteer service, saying they are treating it as an antisemitic hate crime. The attack early Monday took place in Golders Green, a north London suburb that is home to several synagogues and dozens of Jewish schools and restaurants. Prime Minister Keir Starmer called it “a deeply shocking antisemitic arson attack.” It damaged four vehicles belonging to the volunteer organization Hatzola Northwest, with “multiple cylinders on the vehicles” exploding, causing windows to break in nearby buildings, the London Fire Brigade said in a statement. The police also said they were aware of explosions linked to the gas canisters onboard the ambulances. Social media videos verified by NBC News showed massive flames rising from the ambulances as they burned, with the fire sending up thick plumes of smoke. Another video showed an explosion erupting as firefighters worked to douse the flames.…