KYIV: Ukraine's anti-corruption agency said security services were preventing officers from raiding the parliament on Saturday, as investigators said some MPs were implicated in a new graft probe. Ukraine was embroiled in a string of corruption scandals that led to the resignation of the chief of staff to President Volodymyr Zelensky. They also revealed a $100 million kickback scheme in the battered energy sector, masterminded by an alleged personal friend of the president.