U.N. chief 'very concerned' by reports of missile exploding in Poland

Police block a road, amid reports of two explosions, in Przewodow, Poland, November 15, 2022. Jakub Orzechowski/Agencja Wyborcza.pl via REUTERS

(Reuters) - United Nations Secretary General Antonio Guterres is "very concerned" by reports of a missile exploding in Poland, deputy U.N. spokesperson Farhan Haq said in a statement on Tuesday, adding that Guterres hopes a thorough investigation will be conducted.

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

(Reporting by Daphne Psaledakis and Costas Pitas; Editing by Christopher Cushing)