A DRUNKEN teenage thug threatened people with a knife during a row on a Buncrana beach, it has emerged.
An eye-witness has told how dozens of teenagers met at Lisfannon on Sunday.
Most were drunk by around 6pm and a number of punch-ups followed.
And one of them pulled out a knife and threatened other teenagers during one of the incidents.
Like Rossnowlagh, a huge amount of rubbish was left behind by visitors to the beach.
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