Police are trying to locate five people as a driver recalls his car being lifted by the blast and investigators look into a possible gas cause

Witnesses described an explosion that shook Athens’ Plaka district Friday morning, saying the blast was so powerful it sent objects flying, shattered the calm and caused an old building to collapse

A powerful explosion struck a two-story building on Lysikratous Street in Athens’ historic Plaka district, causing serious damage and prompting police and firefighters to check nearby buildings for possible risks