Greek singer Marinella in hospital after collapsing during concert

Marinella performing in Athens (Kostas Katomeris/Eurokinissi via AP)

Popular Greek singer Marinella is in a stable but critical condition in an Athens hospital a day after she collapsed on stage during a concert in the ancient Herod Atticus theatre.

Marinella, 86, suffered a stroke and is being treated in the intensive care unit for extensive brain bleeding, Hygeia hospital said in a statement.