AVDIIVKA, UKRAINE - JANUARY 8: A local resident walks past a barbed wire fence in the frontline city of Avdiivka as Ukrainian forces pushed back an attack by pro-Russian rebels on January 8, 2016 in Avdiivka, Ukraine. German Chancellor Angela Merkel has said she believes there could be progress in negotiations on the Ukraine crisis over the next few months as the Normandy negotiations take place between France, Germany, Russia and Ukraine. (Photo by Pierre Crom/Getty Images)