Ukrainian President Petro Poroshenko attended the unveiling ceremony of a mural of Serhiy Nihoyan on Heavenly Hundred's square in the center of Kyiv and said that the investigation into the events leading up to the deaths of protestors who became known as the Heavenly Hundred doesn't have an expiration date.

According to the president's press service, Poroshenko said that as the president and a person, who was present on Maidan from the first until the final minute of victory, he shared the dissatisfaction of the public with the pace of the investigation of the crimes against Maidan.

"Despite the facts that the cases against the executors are already in courts, first cases of organizers thanks to the adapted law on trial in absentia have also been sent to the court, first process are starting, but ordering parties are hiding in Moscow that became a real sanctuary for our scoundrels. But I want to say that there's no expiration date for these crimes," Poroshenko said.

The mural was unveiled with the participation of Poroshenko and the Portuguese street artist who created the mural Alexandre Farto.

"Globally famous painter, renowned street artist Alexandre Farto, who is currently here among us, has presented the public with this gorgeous graphical picture," Poroshenko said.

He added that the creation of the wall painting wasn't initiated by the state, but by the public.

"It's an actual initiative of the public, real citizens of Ukraine. This is the type of indifferent people that came to Maidan. This is the type of different and sincere person Serhiy was. He died and gave his life for a new Ukraine," Poroshenko said, adding that Nihoyan was the first hero of the Heavenly Hundred that showed Ukrainians were real patriots for their land even at the cost of their own lives.