CRESCENT BEACH, Fla. -

A driver suffered a medical emergency in Crescent Beach Saturday, according to St. Johns County Fire Rescue.

Jeremy Robshaw, with SJCFR, told News4Jax that the driver went into cardiac arrest while driving on Matanzas Avenue.

Robshaw said the vehicle may have ended up in the ocean.

The driver was taken to Flagler Hospital where he is listed in critical condition.