Police and hundreds of demonstrators have clashed in Georgia's separatist region of Abkhazia as tensions flared over a proposed pact to allow Russians to buy property there.

Protesters in the breakaway Georgia region of Abkhazia have stormed parliament and the presidential complex after the government planned to approve a controversial pro-Russia bill.

Protesters stormed the parliament of the Russian-backed breakaway Georgian region of Abkhazia on Friday and opposition politicians demanded the resignation of the self-styled president over an unpopular investment agreement with Moscow.