Kiev reels from its worst day of violence since the February 2014 overthrow of pro-Moscow president Viktor Yanukovich. As lawmakers debated on more autonomy for the separatist pro-Russian east, a grenade attack outside parliament wounded 140, and killed three soldiers. A far-right member of Svoboda's paramilitary wing stands accused of firing the grenade. How strong is the far-right? Can Ukraine stare down its extremes, and put an end to 16 months of fighting? Where does Russia stand now?
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The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)