The victims of a massacre in the Democratic Republic of Congo included several pregnant women, had been shot, stabbed or burned inside their homes.
A Reuters cameraman on the scene counted 37 bodies, some of them lying inside a village church.
"It is Congolese who have carried out these attacks. It was about a dispute over cows," South Kivu governor Marcellin Cishambo told Reuters.
"The problem is that everyone in this area carries a weapon."
More top news
A plane powered purely by solar power has taken off from Egypt for the final leg of the first ever fuel-free flight around the world.
Animal rights group PETA seizes 'teachable moment', warning Pokémon Go users the game is akin to animal cruelty.
A Labour MP has accused aides to Jeremy Corbyn and John McDonnell of a 'violation of privacy, security and confidentiality'.