President of Ukraine Petro Poroshenko has said that recent reports about blasts in Brussels show the world has dramatically changed.

"Just now there appeared the reports on the terrorist attacks, some blasts in Brussels," the president said delivering a speech to the commanders of the Armed Forces of Ukraine of the middle military management in Kyiv on Tuesday.

According to him, blasts occurred at airport and metro station of Brussels. "The world has dramatically changed. It will take quite some time before Ukraine and the world can return to a peaceful life," Poroshenko said.

Poroshenko on March 22 expressed condolences for the victims of terrorist attacks in Brussels.