BY LINA
KUSHCH AND THOMAS GROVE
DONETSK/KIEV,
Ukraine
Sun Apr 6, 2014 7:18pm EDT
(Reuters) -
Pro-Russian protesters seized state buildings in three east Ukrainian cities on
Sunday, triggering accusations from the pro-European government in Kiev that President
Vladimir Putin was orchestrating "separatist disorder".
The
protesters stormed regional government buildings in the industrial hub of Donetsk and security service offices in nearby Luhansk,
waving Russian flags and demanding a Crimea-style referendum on joining Russia .
Protesters
also later seized the regional administrative building in Kharkiv , Ukraine 's
second largest city, Interfax news agency reported. All three cities lie close
to Ukraine 's border with Russia .