The Ukrainian president addresses the UN General Assembly after Donald Trump says for the first time that Kyiv could retake its lost borders.

Transportation Secretary Sean Duffy said the U.S. opposes Russia's bid to gain election to a U.N. aviation group 36-state governing council.

Ukrainian President Volodymyr Zelenskyy urged attendees of this week’s United Nations General Assembly in New York to apply “strong political pressure” on Russia.

Vladimir Putin "will keep driving the war forward wider and deeper" if he is not stopped, Ukraine's President Zelensky has warned. Speaking at the UN's General Assembly in New York, Zelensky said more countries would be met with Russian aggression unless allies displayed a united front and ramped up support.

By Andrew Gray, Lili Bayer and Kanishka Singh BRUSSELS/ WASHINGTON (Reuters) -NATO warned Russia on Tuesday that it would use "all necessary military and non-military tools" to defend itself as it condemned Moscow for violating Estonian airspace in a "pattern of increasingly irresponsible behaviour".

Russia rivals Qatar as one of the largest exporters of liquefied natural gas to the European Union after the United States. L.N.G. is chilled, liquid fuel shipped by tanker. The European Union is now proposing to phase out these shipments by 2027.

In a change of tone, President Donald Trump said with backing from the European Union and Nato, Ukraine could take all of its land claimed by Russia.