Putin admits to military "losses" as fighting rages in Ukraine

Summary:

Russian President Vladimir Putin has announced the suspension of the New START treaty with the US.

The New START treaty was signed in 2010 and aimed to limit the number of nuclear warheads that each country could deploy.

"Deploy" means having warheads out in position and ready to use.

Russia and the US together possess more than 90% of the world's nuclear warheads, but only a small fraction of them are active and deployed.

The New START treaty capped the number of deployed warheads at 1550, which is far fewer than what was active during the Cold War.

The treaty allowed for 18 on-site inspections.

The suspension of the treaty has raised concerns about the possibility of Russia using nuclear weapons in Ukraine.

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