Ukraine says first day of peace talks with Russia productive'
United States-mediated talks in Abu Dhabi made substantive progress, aim for a near-term prisoner exchange, while Russian attacks and Donbas territorial demands remain major obstacles.
Kremlin says Trump asked Putin not to hit Kyiv until Feb 1
Ukraine will stop attacking Russian energy targets if Russia ceases strikes on Ukrainian energy infrastructure; Moscow has given no assurances and Donetsk control remains unresolved.