Ukraine's President Petro Poroshenko has given the Ukrainian army the order to raise the Ukrainian flag in the rebel stronghold of Slavyansk after government forces moved into the town, according to the presidential website.
More top news
Initial indications were that the test on Friday was unsuccessful, according the a US government source who spoke to Reuters.
Southerly winds will bring warmer temperatures this weekend. Rain arriving on Sunday.
A cancer-stricken young father who may have just weeks to live says he refuses to "roll over and die" - and has launched an appeal for help.