The organisers of the Adidas Dublin City Marathon have confirmed that there has been a fatality on the route of Monday's race.

A male, who can not yet be named, collapsed in the Terenure area, where he received immediate attention from the gardaí stationed on the route.

Despite the best efforts of the emergency services, the individual did not recover and was pronounced dead on arrival at hospital due to heart failure.

The organisers are unable to release any further details until the family of the individual has been informed.