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.

During the talks, Ukraine proposed holding a summit between President Volodymyr Zelensky and Russian President Vladimir Putin before the end of August, according to National Security and Defense Council Secretary Rustem Umerov,

Deaths have been reported on either side of the border, just hours after a third round of ceasefire talks took place in Turkey.