Pacific north-west floods latest: Canada’s Trudeau deploys air force to ‘terrifically bad situation’ – live. John Horgan says the order will preserve access to services and supplies, establish travel restrictions, and ensure essential goods can be transported, CBC British Columbia reported.

BC premier declares ‘state of emergency,’ says death tolls expected to rise in coming days

Amid flooding in British Columbia, the British Columbia premier has declared a state of emergency and says death tolls are expected to rise in the coming days.

The premier has also said travel restrictions will be imposed and that officials are confident that supply chains impacted by the downpour and mudslides can be restored quickly.

The Guardian’s Hannah Devlin explains more about what an ‘atmospheric river’ is after British Columbia and parts of Washington state experience record rainfall and flooding.

Massive flooding across the region has caused mud slides, cut off several towns from key supplies like food and fuel, and killed one person with several reported missing.

Atmospheric rivers are long, narrow bands of water vapour in the atmosphere that extend from the tropics to higher latitudes, acting like a pipe