The condition of the newborn baby, the mother and the driver of an ambulance, who were injured in Thursday's hellish car crash in Bulgaria's Sofia remains critical, the staff of the emergency Pirogov hospital said Saturday.

Their lives continue to be in danger – the mother M.A., 27, and the driver D.B., 59, are on respirators. The baby is stable, but danger for his live is not ruled out yet.

Four people were seriously injured after a car and an ambulance crashed on the Todor Alexandrov Boulevard in Sofia early Thursday.

At four o'clock in the morning, the ambulance, carrying a woman and her baby, who was just delivered at home, crossed a red traffic light and ran into a car driven by a young woman. The driver of the automobile failed to hear the sirens because she had been playing music too loud, according to reports of the TV channel bTV.