"I confirm that an IP-telephonic attack is under way on mobile phones of members of Ukrainian parliament for the second day in row," Valentyn Nalivaichenko told a news briefing.

 "At the entrance to (telecoms firm) Ukrtelecom in Crimea, illegally and in violation of all commercial contracts, was installed equipment that blocks my phone as well as the phones of other deputies, regardless of their political affiliation," he said.