In the Ituri province, some 3 million people are in desperate need of aid, according to a UN humanitarian agency.
In a 73-page report released on Monday, Human Rights Watch accused Saudi guards posted along the Yemen border of "widespread and systematic" attacks on migrants.
The wind-whipped firestorm that raged through Lahaina in west Maui killed at least 111 people in a death toll that is still mounting.
People had been on their way to church to celebrate a religious holiday when the strike took place, the ministry said, adding 15 of the wounded were children and 15 were police officers.
Officials have warned that search teams with cadaver dogs could still find more dead from the fire that torched 1,000 buildings and left thousands homeless.
Islamic State on Monday claimed responsibility for the suicide bombing of a political rally in Pakistan that killed at least 45 people.
There are at least 40 confirmed casualties following an explosion in Pakistan's Khyber Pakhtunkhwa province.