NIAGARA-ON-THE-LAKE, Ont. - Two people have been taken to hospital with minor injuries after a small plane landed short of the runway at a Niagara-on-the-Lake airport.

Airport manager Len O'Conner says the plane had an unknown problem and came down on the grass leading up to one of the airport's three runways around 2 p.m. Sunday.

He says the two people on the plane were conscious when emergency crews arrived and took them to a St.Catharines hospital with minor injuries.

O'Conner says the Transportation Safety Board has been called, and two of the runways have been closed.

He says the airport conducted a full-scale emergency exercise just last week and was prepared for the crash