FILE - In this Wednesday, Oct. 7, 2015 file photo, a worker at a Ukrainian gas station Volovets in western Ukraine controls a valve. The Russian state-controlled gas company is halting supplies to Ukraine, its chief executive said Wednesday, Nov. 25, 2015, less than two months after the two countries struck an EU-sponsored deal. Gazprom's CEO Alexei Miller said Russia sent the last shipment to Ukraine at 10 a.m. local time on Wednesday and send no more because Ukraine has not paid in advance for future supplies. (AP Photo/Pavlo Palamarchuk)

Ukraine closes its airspace to Russia

MOSCOW (AP) — Ukraine’s prime minister says his government has decided to close the country’s airspace to all Russian planes. Ukraine last m…