Dhaka, Nov. 12 -- Six teachers serving as assistant proctors at Dhaka University (DU) have submitted resignation letters from their positions.

Allegations erupted that they were requested indirectly by the proctor to step down. Two assistant proctors submitted yesterday and four today.

In their resignation letters, all six cited personal and academic commitments, saying they wanted to devote more time to their families.

However, a source said the teachers had been individually approached and requested to resign before submitting their letters.

According to the source, the proctor requested one of the teachers to step down, saying, "Look, I did not want this, but there is a lot of pressure from above. It would be better if you resigned...