NEW : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty. NEW : 10 people needed medical treatment , most for hypothermia , the coast guard says . Belfast coast guard was alerted about 1 p.m. GMT that some of the boats had capsized . East Down Yacht Club at Strangford Lough is hosting GP14 dinghies championships .
NEW : All involved in a mass dinghy capsizing in Northern Ireland have been accounted for . NEW : 10 people needed medical treatment , most for hypothermia , the coast guard says . Belfast coast guard was alerted about 1 p.m. GMT that some of the boats had capsized . East Down Yacht Club at Strangford Lough is hosting GP14 dinghies championships .