Another oil facility deep inside Russia was reportedly on fire Wednesday following what Ukraine's president claimed was his country's latest long-range drone attack. (Pics/AFP)

Russia hammered civilian areas of Ukraine with hundreds of drones and dozens of missiles in an attack that stretched for hours from daytime into the night, killing at least 16 people and injuring more than 80 others as terrified residents cowered in their homes, officials said Thursday. (Pics/AFP)