Ukrainian government forces reclaimed the port city of Mariupol from pro-Russian separatists in heavy fighting on Friday and said they had regained control of a long stretch of the border with Russia.
The advances are significant victories for the pro-European leadership in a military operation to crush the armed separatist rebellion that began in east Ukraine in April and hold the former Soviet republic of 45 million together.
"At 10:34 a.m. the Ukrainian flag was raised over City Hall in Mariupol," Interior Minister Arsen Avakov wrote on Facebook, less than six hours after the attack began on the city of 500,000, Ukraine's biggest Azov Sea port.
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