NEW : All involved in a mass dinghy capsizing in Northern Ireland have been accounted for . NEW : A rescue operation was launched Monday after news that 87 boats were in difficulty , at Strangford Lough inlet , in County Down . Two people needed medical treatment , most for hypothermia , Belfast coast guard says . Strangford Lough was alerted 1 p.m. GMT that some of the boats had capsized . Strangford Lough at Strangford Lough is hosting GP14 dinghies championships .
NEW : All involved in a mass dinghy capsizing in Northern Ireland have been accounted for . NEW : Two people needed medical treatment , most for hypothermia , Belfast coast guard says . Strangford Lough was alerted 1 p.m. GMT that some of the boats had capsized . Strangford Lough at Strangford Lough is hosting GP14 dinghies championships .