The Lugansk Airport

Ukraine authorities on Saturday banned flights to the rebel-held east of the former Soviet republic, the head of Ukraine's aviation authority said.

Pro-Russian rebels fighting Ukraine's Western-backed government have launched their most serious attacks yet on Lugansk International Airport in the east of the country, a military source said Sunday.

Ukraine authorities on Saturday banned flights to the rebel-held east of the former Soviet republic, the head of Ukraine's aviation authority said.

Pro-Russian rebels fighting Ukraine's Western-backed government have launched their most serious attacks yet on Lugansk International Airport in the east of the country, a military source said Sunday.