Pupils and teachers ‘threatened’ with ‘big kitchen knife’ by terrifying school intruders

From Vlad Tepes:

The article is a whole page and has no more info than the headline. From the photo we can guess it is a Catholic school. But the total lack of info on what the argument was about and that the attackers had a huge knife, and that it is not thought to be ‘terror related’ makes one suspect it is muslims.