Three people were injured in an attack at a school in southern Finland on Tuesday and a student suspected of carrying out the attack has been apprehended, police said.

“According to current information, the injuries were caused by a bladed weapon,” police said in a statement, adding that the injuries were not believed to be life-threatening.

A video published by local newspaper Aamulehti showed several police vehicles near a primary school building located in Pirkkala, some 180 kilometres (110 miles) north of the capital Helsinki.