Heavy seasonal rains caused a mound of garbage to collapse, burying dozens of people and nearby homes before the break of dawn. A mountainous heap of refuse collapsed at Dar es Salam, the largest landfill in Guinea’s capital Conakry, early on Sunday killing at least 30 people, according to a provisional death toll from the country’s civil protection service. Key points and original sources are listed below.

• Heavy seasonal rains caused a mound of garbage to collapse, burying dozens of people and nearby homes before the break of dawn.S1

• A mountainous heap of refuse collapsed at Dar es Salam, the largest landfill in Guinea’s capital Conakry, early on Sunday killing at least 30 people, according to a provisional death toll from the country’s civil protection service. Heavy rains, which started...S2