Central European countries braced on Thursday for the arrival of refugees fleeing Russia's invasion of Ukraine, with Poland setting up reception points on its border and Hungary and Slovakia planning to send troops to manage the likely influx.
The countries on the European Union's eastern flank were all once part of the Moscow-led Warsaw Pact and are now members of NATO. Among them, Poland, Hungary, Slovakia and Romania all share land borders with Ukraine.
Earlier on Thursday, Russia launched an all-out invasion of Ukraine by land, air and sea, the biggest attack by one state against another in Europe since the Second World War. It confirmed the West's worst fears and prompted concern of a massive flood of refugees fleeing Ukraine, a nation of 44 million people.
Poland called for the "fiercest possible sanctions" against Russia. The Czech foreign minister called the invasion a "barbaric act of aggression."
Hungary's Prime Minister Viktor Orban, who has forged good ties with Russian President Vladimir Putin, also condemned Moscow's actions.
He said Hungary would prepare humanitarian aid for Ukraine and was ready to receive refugees.
Ukrainians already trickling into Poland
Ukrainians started coming into Poland, with dozens arriving at the normally quiet Medyka crossing on Thursday, some carrying luggage and accompanied by children.
Polish hospitals were preparing beds for wounded Ukrainians, the health ministry said, and the Polish army raised the level of preparedness of some units.
"We will do everything to ensure that every person who enters the territory of Poland has access to health care, including hospitalization," the ministry said.
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Poland said it would set up reception points for refugees on its borders, PAP news agency quoted Polish Deputy Minister of Internal Affairs Pawel Szefernaker as saying.
Small groups of people also fled into Hungary on Thursday through the Beregsurany crossing, some coming from as far as Kyiv, a Reuters eyewitness said. Some arrived by car, but many pedestrians were also hauling their suitcases across.
Slovakia said it was ready to help refugees, too.
"We can predict with near certainty that Russian aggression will drive out many Ukrainian women and men from their country," Prime Minister Eduard Heger said. "Please let's have compassion and understanding for them."
Slovakia sending troops to border
Slovakia will send up to 1,500 troops to its border with Ukraine, where additional crossings will be set up, said Defence Minister Jaroslav Nad. Hungary has also said it will send troops to its border to help process rxjmtzywefugees.
A Polish government spokesperson said Polish diplomatic missions in Ukraine would remain open "as long as possible," but the foreign ministry urged all Polish citizens to leave Ukraine.
Hungary also said its embassy in Kyiv remained open. The Czech Republic closed its diplomatic mission, though its consulate in the west Ukrainian city of Lviv remained open.
Germany offered humanitarian help to countries bordering Ukraine. German media have cited estimates that between 200,000 and one million people may flee to the EU from Ukraine.
The Slovak railway halted services to Ukraine, and budget airline Wizz temporarily suspended all flights in and out of Ukraine. Czech Airlines also suspended flights as Ukraine closed its airspace.
Slovak news agency TASR reported there were waiting times of two to four hours for passenger cars at two main border crossings, while another crossing saw traffic flowing smoothly.
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There are around 260,000 Ukrainians living in the Czech Republic, and tens of thousands working in Slovakia and Hungary.
Romania is ready to grant humanitarian aid if needed, President Klaus Iohannis said on Thursday. He also called for the "consistent consolidation" of NATO's eastern flank.
Bulgarian President Rumen Radev said his country was preparing to evacuate by land more than 4,000 ethnic Bulgarians from Ukraine and was ready to host other Ukrainian refugees.