Biden vows to lead by example on curbing weapons of mass destruction

President castigates Putin regime for shredding longstanding arms control agreements' and making the world less safe'

• UN general assembly - live updates

Joe Biden has accused Russia of shredding longstanding arms control agreements" but pledged that the US would lead by example" in limiting the spread of weapons of mass destruction.

In his address to the UN general assembly, Biden castigated the Putin regime for its suspension, in February this year, of the 2010 New Start treaty, the last arms control agreement between the two countries.