Colonel James Kasule, the Sector One Operation Shujaa Commander, said that the forces were advancing to the added area of operation of Loselose, Ndjerube when they came in contact with ADF rebels.
More than 13,000 Congolese refugees crossed into the district during that time, running for dear life after the Allied Democratic Forces attacked their villages.
Bundibugyo District Police Commander Aggrey Okum, says that police have commenced investigations to ascertain the actual cause of the fire and cautioned schools to step up security around their premises even when learners are away.
Most of the refugees have refused to move to Bubukwanga Transit Camp, about 30 kilometres from Busunga reception centre at the border post, despite facing serious safety and hygiene issues and lack of food.
Maj. Peter Mugisa, the Spokesperson of Operation Shujja, says that the activities are geared to among others building partnerships between security forces and communities.
This incident comes barely four days after the body of the District NRM registrar Robert Kifunga Aguma was also discovered by children when it had been dumped near Bimara stream in Kanyansimbi Ward Bundibugyo Town Council.
The operation commander Maj. Gen. Kayanja Muhanga says that one soldier was killed in crossfire with the rebels during the first phase of the operation, while the other three died due to individual errors, and as a result of rough terrain in the jungle.
The development comes two days after UPDF and FADRC forces seized eight guns from the group when it was intercepted along the Nobili-Mukakati route after killing 16 civilians.
They include bullets from a belt-fed general-purpose machine gun, commonly known as the PK, which were reportedly abandoned by the Allied Democratic Forces-ADF rebel group that was running away from joint operations by the UPDF and the Armed Forces of the Democratic Republic of the Congo against insurgents in the eastern part of the country.
According to security sources, the joint forces raided Kayenjye and Bundihangaro village, which is 6Kms North of Nobili and 5Kms East of Kamango Town. Sources say the operation came hours after the ADF raided the residents of Kayenjye where they killed a Boda boda rider, torched two houses and looted livestock.
The operation Shujja Spokesperson, Maj. Peter Mugisa said that the assault is a huge success in the second phase of their operation and will mark the return of peace in the Boga area.
The forces say that the mass graves contained bodies of suspected ADF terrorist's who could have been killed when UPDF and their DR Congo counterparts launched airstrikes in November last year and followed up with subsequent attacks.
School administrators say that few learners have turned up after rebels on Wednesday night killed dozens of people and caused thousands to flee into Uganda. They say many learners and parents fear that the group might overrun schools with intentions to abduct the learners.
Abubakar Musoke, the chairperson of Bundibugyo the Boda boda rider’s association, says that a number of riders have lost their properties due to accumulated debts as a result of limited resources to pay up.
Maj. Peter Mugisa, the Spokesperson of Operation Shujja, says that if UPDF/FADRC drawback to protect the border points this could give the group room to get back to their camps.