A 30-year-old man suffered a heart attack as he was driving his car with his two young sons as passengers.

Ottawa Police say the man was travelling at a low speed when his car crashed into a traffic sign. It happened this morning at the Kanata intersection at Bridle Park Dr. and Stonehaven Dr..

Firefighters and paramedics worked to regain a pulse. The man was rushed to hospital in critical condition.

The boys, 3 and 5 years old, were not injured.