Blocked roads have hampered relief efforts to Yambali village, where officials fear death toll could reach well over 100

An emergency convoy is delivering food, water and other provisions on Saturday to stunned survivors of a landslide that devastated a remote village in the mountains of Papua New Guinea and is feared to have buried scores of people, officials have said.

An assessment team had reported “suggestions” that 100 people were dead and 60 houses buried by the mountainside that collapsed in Enga province a few hours before dawn on Friday, according to Serhan Aktoprak, the chief of the International Organisation for Migration’s mission in the South Pacific island nation.

Police say attack between neighbouring tribes led to mass deaths, marking an escalation in fighting in the country’s remote northern region

Dozens of men have been killed in a fresh outbreak of tribal violence in the remote highlands of Papua New Guinea, local police have said.

George Kakas, Enga provincial police commander, told the Guardian the men were killed by heavy gun fire on Sunday. He said men from two tribes staged an attack on another group who were “ambushed and killed.”