Police say four vehicles were involved in an east London collision that left three adults and two children hospitalized, some with life-threatening injuries.
Emergency crews were called to Dundas Street and Highbury Avenue North around 11:30 a.m on Saturday.
Of the five victims, two are reportedly in life-threatening condition while the other three suffered non-life-threatening injuries.
Highbury Avenue North was closed in all directions between Oxford Street East and Dundas Street for several hours. The roadway re-opened around 5:30 p.m. on Saturday.
Dundas Street remained open to traffic in both directions.
"The investigations is in its preliminary stages and more information will be provided when available," said a statement from the London Police Service (LPS).
Anyone with information that could assist officers in their investigation is asked to contact LPS at (519) 661-5670 or Crime Stoppers at 1-800-222-TIPS (8477).