Kyiv and Moscow accuse each other of the attack on the Zaporozhye nuclear power plant.
Russian President Vladimir Putin and Turkish President Recep Tayyip Erdogan in Sochi agreed that part of the payment for Russian gas should be in rubles.
Ukrainian officials announce that Russian forces from Kherson shelled Nikolaev.
He added that last month's wheat delivery agreement could be a step in that direction.
"The good news is that the Kremlin wants an agreed solution. The first success is the wheat agreement, which could perhaps be slowly extended to a ceasefire," Schrder told Stern weekly and RTL/ntv, adding that he met Putin in Moscow last week.
"After the collapse of the euro, it is best for Bulgarians to keep their savings in BGN". The advice comes from Johns Hopkins University in Baltimore professor of applied economics Steve Hanke. He told Nova TV that the imposition of sanctions on Russia actually reflected much worse on Europe. In his words, "they have proved to be a suicidal act for the European economies".