Ukrainian Defense Minister Stepan Poltorak, who wrote a letter of resignation, has not yet decided whether he will go into politics.

Read alsoUkraine's PM Groysman announces resignation (Video)

"I have not decided yet," he told journalists, answering a question whether he plans to go into politics, according to an UNIAN correspondent.

Poltorak said he was not surprised by the decision of Ukrainian Prime Minister Volodymyr Groysman to resign.

"He has the right to make such a decision, and this is absolutely normal," he said.

As UNIAN reported earlier, Ukraine's Defense Minister Stepan Poltorak on May 20 tendered his resignation.