Negotiators for the warring sides in Istanbul appeared to make little progress on ceasefire terms or a possible summit between their presidents – with their meeting ending after less than an hour.

Ukraine, Russia hold third round of peace talks in Istanbul * Ukrainian drones reportedly target key logistics hub in southwestern Russia * Russia suffered 80,000 casualties during Kursk incursion, Ukraine's military chief says * 'He sees Trump as emotional and susceptible to influence' — Putin not worried about 50-day ceasefire deadline,

The warring sides remain far apart after the third round of U.S.-brokered peace negotiations on Wednesday. But there was progress on humanitarian issues.