May 5 (UPI) -- Counterterrorism police in London said they're investigating a fire at a former synagogue Tuesday as potential arson. Police were notified about the fire just after 5 a.m. on Nelson Street in Tower Hamlets, the London Metropolitan Police said. "Officers were quickly on scene with firefighters," a release from the Met said. "Minor damage was caused to a set of grates and a lock at the front of the building and no reports of any persons injured." The Met said CCTV footage indicates