BBC News US & Canada

They are said to have died from Covid-19 related complications - days before the school year begins.

US troops arrive to help with evacuation efforts as militants seize a city an hour's drive from Kabul.

US scientists say July's land and ocean temperature was 0.93C (1.68F) above the 20th Century average.

It marks the first time US health officials have indicated that Covid booster shots may be needed.

Commercial air, cruise and interprovincial train passengers will also need to be vaccinated.

Migrant numbers usually dip during the hot summer months, but July has continued an upward trend.

Key maps and charts explaining how the virus has spread around the world.

Joe Biden wants half of all cars sold in the US to be zero emission by 2030 - but getting there won't be easy.

The situation looks bleak for the Afghan government, but there may still be a chance of a stalemate.

Newly released data points to sluggish population growth and a more multiracial US.

Scientists analyse the chemistry in a woolly mammoth tusk to work out how far it travelled.

General Wali Mohammad Ahmadzai has been removed from his post, as insurgents take more cities.

About a million gallons of contaminated mud needs to be treated from the remains of the ship.

Local governments are getting creative when it comes to tackling frequent and extreme heat.

The history-making Democrat will take the role after Andrew Cuomo resigned over harassment claims.

Opponents say the plans are an attempt to silence a TV channel critical of the government.

TV producer Mike Richards and Big Bang Theory actress Mayim Bialik will share presenting duties.