A Hanoi woman suffered burns when a hydrogen-filled balloon exploded while she posed with a birthday cake at her celebration.

The 3-year-old had "the best time" during his themed birthday party, which his mom spent six months putting together.

A coroner has called for better warnings on helium canisters after a young mum died from inhaling the gas in balloons at her daughter’s first birthday party. The 20-year-old Bay of Plenty woman died ...