UN Secretary-General Antonio Guterres said they are trying to appoint a team to investigate last week's massacre at a Ukrainian prison that killed at least 50 Ukrainian prisoners of war and wounded dozens.
Hidden in the trees is a team of Ukrainian drones, spying on Russian positions.
Drones mark the target of artillery attacks, but they are not immune.
Nic Robertson takes us into a war within the war.
High-tech combat in the skies, where mistakes can cost drone operators their lives.
The average price of a barrel of US oil briefly fell below 91 dollars, something unprecedented so far in the Russian war in Ukraine.
And the oil producing countries plus their allies --grouped in the OPEC cartel-- agreed to a small increase in production for September.
Producers -- among them Russia -- agreed to the increase of 100,000 barrels a day.
But OPEC said its members' capacity is "seriously limited" by chronic underinvestment in the sector.