War in Ukraine: News analysis
Biden, allies meet but no fresh ideas on how to end war
Most critical decision is to expand Nato's presence around Russia, a rebuff to Putin
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US President Joe Biden is visiting the Polish town of Rzeszow, a mere 80km from the border with Ukraine, at the end of a European tour designed to reassert Western unity in supporting the country.
Four weeks to the day after Russia invaded Ukraine, the heads of states and governments of Nato - the US-led military alliance in Europe - met in Brussels to decide on their next strategic moves.