Miners searching the site near the town of Kamituga have so far recovered 18 bodies, after heavy rains caused the artisanal gold mine to cave in, burying those working below ground.
Heavy rains lasting for days created landslides that caused three mines to collapse, burying workers underneath.
A government-led military operation against various rebel groups in the Ituri region of the Democratic Republic of Congo has caused hundreds of thousands to flee the region, amid a mounting death toll on both sides.
The two-day clashes erupted over the weekend after some armed youths in the Greater Tonj area engaged with security forces.
The suspected militants have thrown a grenade into a group of sleeping people inside the camp in the village of Nguetchewe.
President Felix Tshisekedi lifted a virus health emergency in place since March to allow all businesses to reopen. Officials in his coalition government accuse him of "dictatorial abuses" for appointments he made in the army and the judiciary.
The blast occurred at Kalam in the Lake Chad region, which has been battered by attacks from militants crossing from neighbouring Nigeria.
The Democratic Republic of Congo rid itself of European colonisers, but their legacy and misrule still haunts the country.
The outbreak was "the longest, most complex and deadliest" in the 60-year history of the Democratic Republic of Congo, Health Minister Eteni Longondo said.
The state's health infrastructure has not been made a priority after five years of civil war ended in 2018 and the majority of care provided comes from the non-profit sector.
Fresh infections surface in western province of Mbandaka as Democratic Republic of Congo's dilapidated health system battles both a measles epidemic and Covid-19.
A UN Group of Experts on the Democratic Republic of Congo found in its annual report that at least 1.1 tonnes of gold were smuggled out of Ituri province alone in 2019.
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