I hope alcohol was involved.

Shocking video captured the moment a brawl broke out on a ferry trip from Ireland to Wales — as four men attacked a passenger amid screams from terrified onlookers.

The footage published by SWNS shows a man appear to use salad tongs to defend himself from the onslaught aboard the Irish Ferries vessel just 20 minutes into its voyage from Dublin to Holyhead on Saturday.

nypost.com