UN: Reports of rocket explosion in Poland cause concern

Antonio Guterres is very concerned by the reports of a missile exploding on Polish territory, said a Spokesperson for United Nations Secretary-General Stéphane Dujarric, Report informs.

"It is absolutely essential to avoid escalating the war in Ukraine," he said.

"He sends his condolences to the families of the victims. He hopes that a thorough investigation will be conducted," Dujarric tweeted.