Mr Stewart said: “It is not impossible, we have seen some nasty scenes in the past.
“Some people may remember the scallop wars a few years ago.
“This was where British and French fishing boats were clashing over different boats fishing under different rules in the English Channel.
“There were a few boats rammed into each other, there were some interesting insults exchanged, some rocks and things like that.
DON’T MISS: Brexit trade breakthrough: Remainers SILENCED as US- UK plan revealed