IN PIC: Ukrainian servicemen walk by fragments of a downed aircraft, in in Kyiv, Ukraine.

Kyiv: In this photo provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks to the nation via his smartphone in the center of Kyiv, Ukraine, Saturday, Feb. 26, 2022. Russian troops stormed toward Ukraine‚Äôs capital Saturday, and street fighting broke out as city officials urged residents to take shelter. The country’s president refused an American offer to evacuate, insisting that he would stay. ‚ÄúThe fight is here,‚Äù he said. AP/PTI(AP02_26_2022_000070B)

Kyiv: Ukrainian soldiers walk past debris of a burning military truck on a street in Kyiv, Ukraine, Saturday, Feb. 26, 2022. Russian troops stormed toward Ukraine’s capital Saturday, and street fighting broke out as city officials urged residents to take shelter. AP/PTI(AP02_26_2022_000082B)

Kyiv: FILE – Ukrainian servicemen walk by fragments of a downed aircraft, in in Kyiv, Ukraine, Friday, Feb. 25, 2022. The International Criminal Court’s prosecutor has put combatants and their commanders on notice that he is monitoring Russia’s invasion of Ukraine and has jurisdiction to prosecute war crimes and crimes against humanity. But, at the same time, Prosecutor Karim Khan acknowledges that he cannot investigate the crime of aggression. AP/PTI(AP02_26_2022_000132B)

Kyiv: A Ukrainian soldier walks past debris of a burning military truck, on a street in Kyiv, Ukraine, Saturday, Feb. 26, 2022. Russian troops stormed toward Ukraine’s capital Saturday, and street fighting broke out as city officials urged residents to take shelter. AP/PTI(AP02_26_2022_000133B)

Kyiv: A Ukrainian soldier assembles grenades near burning military trucks, in a street in Kyiv, Ukraine, Saturday, Feb. 26, 2022. Russian troops stormed toward Ukraine’s capital Saturday, and street fighting broke out as city officials urged residents to take shelter. AP/PTI(AP02_26_2022_000136B)

Kyiv: A Ukrainian soldier walks past debris of a burning military truck, on a street in Kyiv, Ukraine, Saturday, Feb. 26, 2022. Russian troops stormed toward Ukraine’s capital Saturday, and street fighting broke out as city officials urged residents to take shelter. AP/PTI(AP02_26_2022_000137B)

Kyiv: Ukrainian troops inspect the site following a Russian airstrike in Kyiv, Ukraine, Saturday, Feb. 26, 2022.AP/PTI(AP02_26_2022_000148B)

Kyiv: A woman reacts looking at her apartment building damaged following a rocket attack, in Kyiv, Ukraine, Saturday, Feb. 26, 2022. Russian troops stormed toward Ukraine’s capital Saturday, and street fighting broke out as city officials urged residents to take shelter. AP/PTI(AP02_26_2022_000151B)