LONDON, Ont. — Police in London, Ont., say four people have died after several pedestrians were struck by a car Sunday night.

Police say a woman was pronounced dead at the scene in the city's northwest end.

They say a man, a woman and a teen died later in hospital, while a child remains in serious but non-life-threatening condition.

London Police Service say that the incident occurred around 8:40 p.m. at the intersection of Hyde Park and South Carriage roads.

They say a 20-year-old London man was arrested a short time later without incident and remains in custody.

Police say they expect to release more details later on Monday.

In the meantime, they are asking anyone with possible information about the incident to contact them.