Police in Greece's capital were searching for a gunman who opened fire at a social security office and a courthouse on Tuesday, wounding several people.

Greece's public broadcaster ERT reported that the alleged gunman was an 89-year-old man and a police operation was underway to locate the armed man.

Rescue teams leave premises of courthouse in central Athens Image: Sotiris Dimitropoulos/Eurokinissi/REUTERS

What we know so far

Police said the suspect opened fire with a shotgun at a branch of Greece's EFKA social security agency, wounding an employee in the leg.

The gunman then traveled by taxi to a court building, where he fired several shots inside, lightly wounding four female court clerks, police and court officials said.

The motive for the shooting was unclear.…