A woman carries her child as she arrives at the Medyka border crossing after fleeing from the Ukraine, in Poland, Monday, Feb. 28, 2022. The head of the United Nations refugee agency says more than a half a million people had fled Ukraine since Russia’s invasion on Thursday. (AP Photo/Visar Kryeziu)
Ukrainian police rush a traveler to the railway station terminal during an airstrike alarm in Kyiv, Ukraine, Monday, Feb. 28, 2022.
A woman outside a supermarket in central Kyiv reacts to sirens announcing new attacks Monday.
Newborn twin brothers sleep in a basement being used as a bomb shelter at the Okhmadet children's hospital in central Kyiv on Monday.
Kateryna Suharokova kisses her newborn son, Makar, in the basement of a maternity hospital converted into a medical ward and used as a bomb shelter in Mariupol, Ukraine, on Monday.
A woman holds her newborn baby inside a basement used as a bomb shelter at the Okhmadet children's hospital in central Kyiv on Monday.
A member of the Ukrainian territorial defense directs drivers in a traffic jam before a military checkpoint outside Kyiv on Monday.
An armed member of the Ukrainian Territorial Defense stands near a body bag containing the remains of a suspected Russian agent at a hospital in the south of Kyiv on Monday.
People wait in a queue outside a supermarket in central Kyiv on Monday.
People struggle on stairways after a last minute change of the departure platform for a Lviv bound train in Kyiv, Ukraine, Monday, Feb. 28, 2022.
A child cries as people rush around after a last-minute change of the departure platform for a Lviv-bound train in Kyiv, Ukraine, on Monday.
Cars are stopped at a roadblock set by civil defensemen at a road leading to central Kyiv, Ukraine, Monday, Feb. 28, 2022. Explosions and gunfire that have disrupted life since the invasion began last week appeared to subside around Kyiv overnight, as Ukrainian and Russian delegations met Monday on Ukraine’s border with Belarus.
The southern end of a convoy is captured on a satellite image east of Antonov airport, Ukraine, on Monday.
Police detain demonstrators during an action against Russia's attack on Ukraine in St. Petersburg, Russia, Monday, Feb. 28, 2022. Protests against the Russian invasion of Ukraine resumed on Monday, with people taking to the streets of Moscow and St. Petersburg and other Russian towns despite mass arrests.
Refugees fleeing Ukraine arrive at the Medyka border crossing in Poland on Monday. The U.N. has estimated the Russian invasion could produce as many as 4 million refugees.
Students who fled from Ukraine gather around a camp fire to warm themselves at the Medyka border crossing in Poland. The head of the United Nations refugee agency said more than a half a million people had fled Ukraine since Russia's invasion on Thursday.
A woman from Ukraine hugs a child after arriving at Nyugati station in Budapest, Hungary, on Monday.
Armed civil defense men pose for a photo while patroling an empty street due to curfew in Kyiv, Ukraine, Sunday, Feb. 27, 2022.
An armored vehicle rolls outside Mykolaivka, Donetsk region, the territory controlled by pro-Russian militants, in eastern Ukraine, Sunday. Fighting also raged in two eastern territories controlled by pro-Russia separatists.
A Russian armored personnel carrier burns amid damaged and abandoned light utility vehicles after fighting in Kharkiv, Ukraine, Sunday, Feb. 27, 2022.
A father hugs his daughter as the family reunites after fleeing conflict in Ukraine, at the Medyka border crossing, in Poland.
Police detain a demonstrator during an action against Russia's attack on Ukraine in St. Petersburg, Russia, Sunday, Feb. 27, 2022. Protests against the Russian invasion of Ukraine resumed on Sunday, with people taking to the streets of Moscow and St. Petersburg and other Russian towns for the third straight day despite mass arrests.
A view of Khreshchatyk, the main street, empty, due to curfew in the central of Kyiv, Ukraine, Sunday, Feb. 27, 2022.
A refugee boy who fled conflict from neighboring Ukraine cries at the railway station after arriving to Zahony, Hungary, Sunday, Feb. 27, 2022.
A man looks out of the Dnipro-Truskavets train, at the Lviv railway station, Sunday, Feb. 27, 2022, in Lviv, west Ukraine.
People walk down the bulevard 'Strasse des 17. Juni' ahead of a rally against Russia's invasion of Ukraine in Berlin, Germany, Sunday, Feb. 27, 2022.
Nation / World 
