Sudanese security forces on Sunday fired tear gas at an anti-coup rally led by a group of teachers at the start of a two-day civil disobedience call against last month’s military takeover.

Dozens of teachers carried banners reading “no, no to military rule” and called for a transition to “full civilian rule” at a rally outside the education ministry in the capital, Khartoum.

Nationwide anti-coup protests - including by tens of thousands on October 30 - have occurred since the October 25 coup but have been met by a deadly crackdown. At least 14 demonstrators have been killed and about 300 wounded, according to the independent Central Committee of Sudan’s Doctors.