FACTBOX: What we know about a series of blasts in Ukraine
Disclaimer: TASS is Russian government propaganda, and not a reliable news source.
Reports came about explosions in Dnieper (formerly Dnepropetrovsk), Ivano-Frankovsk, Kiev, Krivoi Rog, Kropivnitsky (formerly Kirovograd), Sumy, Kharkov, Khmelnitsky and the Kiev-controlled city of Zaporozhye