Lost in Saronida

He  is Antonis Leontiou 72 years old, who has being missing  since  Friday 12 January from the region of Saronida.
That day he was having coffee with his wife and their daughter at a cafeteria in the area. Suddenly he got up and started running. Until the two women gather their things, he ws lost from their sight.
The elderly due to dementia tends to flee and has left several times from his house in Palaio Faliro. But he recognized the area and returned by himself.
His relatives are worried that he will not know how to move in saronida  area and are  afraid of the worst.
His  height is  1.68 and when he  was lost he wore blue form, gray cardigan, gray shoes. His clothing may be different because when he is alone  if he finds something on the road, he can wear it. He wears glasses and has a heart-shaped tattoo on his right arm.
For his disappearance has been issued Silver Alert.