By Victoria
Butenko, Laura Smith-Spark and Diana Magnay, CNN
August 28,
2014 -- Updated 1010 GMT (1810 HKT)
The
fighting was taking place southeast of Donetsk ,
and along the nation's southern coast in the town of Novoazovsk, about 12 miles
(20 km) from the Russian border, according to Mykhailo Lysenko, the deputy
commander of the Ukrainian Donbas battalion.
"This
is a full-scale invasion," Lysenko said, referring to the fighting in the
south.
In a
Cabinet meeting Thursday, Ukraine 's
Prime Minister, Arseniy Yatsenyuk, called for an immediate U.N. Security
Council meeting.