An explosion near a Moscow cafe killed at least three people and wounded 15 others on Saturday evening, police said. The blast occurred at around 8:10 p.m. near a summer cafe, according to Moscow police, who did not say what caused it. The explosion took place in Kudrinskaya Square, authorities said. Investigators and police forensic specialists were at the scene, police said. Images posted on Russian Telegram channels showed the aftermath, though the reports did not specify what the images depicted. The wounded were reported to have injuries of varying degrees of seriousness. Police said the death toll could be at least three, and an investigation was under way. No further details about the cause or any suspects were immediately available.