The police are investigating a 32-year-old man from Cospicua on suspicion of theft.
The man was seen running with a box in his hands in Floriana early in the afternoon. A police officer on duty in Floriana ran after the man who threw away the box which had a portable DVD player. The man had allegedly just stolen the player from a man at the Valletta market.
The man, on whom a flick knife was found, is being held for further investigations.