A grandfather and his grandson have died off the coast of North Wales, UK  after their sailing dinghy was overwhelmed and flooded in rough seas.
<fluency> A grandfather and his grandson have died off the coast of North Wales, UK  after their sailing dinghy was overwhelmed and flooded in rough seas.
A grandfather and his grandson have died off the coast of North Wales, UK , after their sailing dinghy was overwhelmed and flooded in rough seas.