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Delhi smog: women and children exempted from traffic restrictions
The hope is car rationing will reduce pollution, but some experts doubt its effectiveness.
Traffic restrictions have come into force in Delhi as the Indian capital struggles to tackle choking air pollution.
President Trump has threatened to withhold aid from California because of a row with the state's governor.
The last leader of the Soviet Union, Mikhail Gorbachev, has warned of the danger posed by nuclear weapons amid tensions between Russia and the West.
Last on
Mon 4 Nov 201906:06GMT
BBC World Service except Americas and the Caribbean, Australasia & South Asia
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- Mon 4 Nov 201906:06GMTBBC World Service except Americas and the Caribbean, Australasia & South Asia
