Protesters might attempt to storm Rada using thunderflashes – Interior Ministry

"Probably they are counting on the "mob effect." The law enforcers remain calm, while being ready for any challenges and extraordinary situations... The Interior Ministry units are ready to respond correspondingly to any gross violations, only within the limits of their authority. No anti-state provocations will be allowed," Shkiryak wrote on Facebook.

Read alsoPoroshenko says "respects" Kyiv protests, calls for peaceful rallyAt the same time, according to MP Ihor Mosiychuk, the main goal of the possible storming is to bring the leader of the "Rukh [Movement] of the New Forces" Mikheil Saakashvili to the parliament's session hall.

Meanwhile, it is reported that Mikheil Saakashvili has urged participants of the rally outside the Verkhovna Rada to demand resignation of President of Ukraine Petro Poroshenko in case the authorities fail to meet other demands of protesters.