KITCHENER -- Police say a man went into "medical distress" before a single-vehicle crash on Homer Watson Boulevard.

Officers were called to the scene in the area of Homer Watson Boulevard and Block Line Road around 2:10 p.m. Friday. According to police, it was travelling southbound when it left the road and hit a tree.

Police say the man went into medical distress before the vehicle left the road and died as a result of that distress.

The road was closed for about three hours while police investigated.