Missing: Leila Farouk, 28-year-old woman

I'm Leila Farouk's sister. We last saw her yesterday around 3pm near the Syntagma Square metro entrance on Ermou Street, Athens, heading toward Monastiraki. She's 28, about 5 ft 6 in, with long dark hair, wearing a light gray hoodie, blue jeans, and white sneakers with a red stripe. She has a small star tattoo on her left wrist and a faint scar above her right eyebrow. She told me she was meeting a friend by the metro, but she hasn't shown up since. I'm really worried and would appreciate any sightings or updates from anyone who might have seen her around central Athens yesterday afternoon.