KIEV, August 21. /ITAR-TASS/. Ukrainian President Petro Poroshenko will sign a decree to dissolve the country's parliament Verkhovna Rada, next week, presidential adviser Oleg Medvedev said live on Liberty Radio without specifying the exact date of the step.

A 30-day deadline to create a new coalition is about to expire and “the Ukrainian president has lawful grounds to dissolve the parliament,” he said.

Factions UDAR and Svoboda (freedom) said in the parliament July 24 that they quit the coalition. If deputies do not form a new coalition before the end of August, according to the Constitution, the Ukrainian president will have all reasons to dissolve the parliament and announce early parliamentary elections on October 26.