[Source: Reuters]A 60-year-old man attacked two Greek-American tourists with a ​knife in the Acropolis ‌area, near the archaeological site which hosts Greece’s famed ancient monuments, before being ​arrested by police. The two victims, ​a man and a woman aged ⁠73 and 78 respectively, were ​offered medical aid and their injuries ​are not life-threatening, a police official said. The attacker has been hospitalised in the past ​on mental health grounds, the official ​said, adding that he also had a ‌criminal ⁠record and had been arrested previously for possessing a knife. “We just heard people screaming and a crowd running ​away, so ​we ⁠obviously took cover,” said Tracey Dewey, a visitor from ​Cape Town, South Africa. Article continues after advertisementThe rare ​incident ⁠occurred as Greece and its visitors brave the country’s first heatwave of ⁠the ​summer, its main tourism ​season.