Police arrested two teachers of Bamongathi Government Primary School in Moheshpur upazila  yesterday morning after they dishonoured the national flag by painting it on the doors of the school toilet. The arrestees are headmaster Abu Zafar and assistant teacher Sekendar Ali. Gazi Abdul Malek, upazila muktijoddha commander, said both of them did it intentionally. “It’s a big crime in our country,” he added. Shahidul Islam Shahin, officer-in-charge of Moheshpur police station, said police arrested them from their houses.