KYIV, Dec 24 - The Ukrainian Prosecutor General's office has asked a court to arrest former president Petro Poroshenko on suspicion of high treason and financing pro-Russian separatists, a lawmaker from Poroshenko's faction in parliament said.

"On Christmas Eve, the Prosecutor General office confirmed the information ... that the Prosecutor General had approved a motion to arrest Poroshenko with the possibility of bail set at 1 billion hryvnias," Iryna Gerashchenko said on Facebook.