Man Stabs Fellow Passenger with Broken Wine Bottle on Flight to St. Lucia

A verbal argument between two men on a British Airways flight escalated into violence, resulting in one man stabbing the other with a broken glass bottle.
A passenger who tried to intervene sustained injuries requiring 12 stitches.
Cabin crew and other passengers separated the men to end the attack.
The suspect was arrested upon landing, and the victim was hospitalized.
British Airways is investigating the incident, which was captured on video and has led to criticism over the airline's handling of the altercation.