A teacher was injured in a knife attack during a school concert in Alblasserdam, Netherlands, DPA reported, BTA reported.
Three suspects have been arrested, police in the city south of Rotterdam said. There is no information on the teacher's condition.
Police said that a physical fight broke out between three men during a musical performance at a primary school yesterday evening. The 53-year-old teacher intervened and tried to resolve the dispute. He was seriously injured.
One of the suspects, a 35-year-old man, was also slightly injured. Today, the mayor of Alblasserdam visited the school and spoke to parents and staff.
Children in the Netherlands traditionally perform a musical performance at the end of the school year during their primary education. It is a big celebration for them, their parents and teachers, and is prepared with great enthusiasm. The performance in this case took place in a cultural center.