Politics
Boy who changed law on cannabis thriving as he turns 21
Key Points
Billy Caldwell from Castlederg in County Tyrone has a severe form of epilepsy, which at one point had him suffering hundreds of "life-threatening" seizures a day.
Billy Caldwell from Castlederg in County Tyrone has a severe form of epilepsy, which at one point had him suffering hundreds of "life-threatening" seizures a day.