The man, Daniel Thomas, was following migrants traveling to England when he filmed himself slashing an inflatable boat that had an emergency responder on board. It comes after footage showed the 37-year-old using a knife to cut the side of a vessel used by people smugglers to transport migrants. Key points and original sources are listed below.

• The man, Daniel Thomas, was following migrants traveling to England when he filmed himself slashing an inflatable boat that had an emergency responder on board.S1

• It comes after footage showed the 37-year-old using a knife to cut the side of a vessel used by people smugglers to transport migrants.S2