More than one hundred Ukrainian protesters rallied outside the president's office on Monday demanding the immediate ouster of the chief prosecutor and a more dedicated fight against state graft.

The rally highlighted one of the reasons Ukrainian President Petro Poroshenko has seen his public approval ratings fall to just a fraction of what they were when he was elected in May 2014 .

The embattled pro-Western leader tried to appease the mounting discontent by asking his ally Shokin and Prime Minister Arseniy Yatsenyuk to step down on February 16 .

But Yatsenyuk refused and that same day survived a no-confidence vote in parliament that has left the future of Ukrainian politics up in the air.

Poroshenko last week called on premier Yatsenyuk to finally step down and for parliament to pick his successor during Tuesday's session.

Yatsenyuk continues to cling on to his post and the leader of the president's parliamentary faction said a debate on forming a new government may only happen on Thursday.

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