Three crew members are safe after a hydrogen air balloon on a transatlantic flight path had to make an emergency landing in Prince Edward Island.

"It is with a heavy heart that we have to inform you that The Torabhaig Atlantic Explorer Balloon has been forced to land ... with a suspected gas leak," reads a post on the Torabhaig Atlantic Explorer Flight Control Facebook page.

The balloon landed in a swamp near Cardigan, on P.E.I.'s east coast, where crew members became stuck, said the Halifax-base…