On the evening of 20 September 2021, at least three explosions occurred in the city of Bujumbura. Local media sources reported that two grenades detonated in a public bus parking area in the city center while a third explosion occurred at a market in the Bwiza neighborhood. A police vehicle evacuated individuals injured in the explosions to a nearby hospital. The Interior Ministry stated that two people were killed and accused unidentified terrorists of perpetrating the attacks; however, other reports suggest that five people were killed and 50 others were wounded. While no group has claimed responsibility for these blasts, the RED-Tabara rebel group claimed that it fired mortar shells at Melchior Ndadaye International Airport (HBBA/BJM) on the night of 18 September. There were no reports of damage at the airport.