Storm Jonas: US east coast blizzard leaves at least 25 dead as Washington DC and New York City brought to a standstill

The blizzard has brought more than 2ft of snow, causing 12 states to declare a state of emergency

Pedestrians walk through the snowy streets near Times Square as all cars but emergency vehicles are banned from driving on the road on 23 January, 2016 in New York City (Yana Paskova/Getty Images)

At least 25 people have died in the US as the historic Storm Jonas continues to wreak havoc across the east coast.

The blizzard has brought more than 2ft (60cm) of snow, causing 12 states to declare a state of emergency.

Heavy snow caused Washington DC to declare a "snow emergency", closing its transport system over the weekend, and New York City banned all road travel, cancelled bus services and shut overground parts of the subway.

In Washington, 22.2 inches of snow were recorded, with 26.8 inches recorded in New York City - just 0.1 inches short of the 2006 record.

Fourteen people were killed in weather-related car crashes, four while shoveling snow, two died of hypothermia and one died when he became trapped in his running car by a snow plough.

Authorities have said a US Capitol police officer - Vernon Alston - has died after shoving snow at his home in Delaware.

His widow, Nicole Alston, said her husband had collapsed on Saturday afternoon outside their home in the tiny town of Magnolia after shoveling snow for an hour.

He was reportedly dead within minutes.

An elderly couple in South Carolina died of carbon monoxide poisoning from a generator they had used after they lost power on Friday.

A 23-year-old woman and her one-year-old son are also believed have died from carbon monoxide in New Jersey after sitting in a running car with its tailpipe covered in snow.

The woman's three-year-old daughter is in hospital in a "very critical condition".

Warm, moist air from the Atlantic Ocean collided with cold air to form the massive weather system.

According to FlightAware.com, 3,283 flights within, into or out of the United States have been cancelled today.

More than 130,000 people are without power across the south east.

There are fears the weather system causing the blizzard could head to Britain, albeit in a much milder form.

Although the low pressure system will be extremely modified by the time it reaches British shores, the Met Office has issued 9 yellow "be aware" warnings over Tuesday and Wednesday.

The warnings have been issued across parts of Scotland, Wales and Northern England.

Rain is expected to be persistent and at times heavy, leading to localised river flooding, the Met Office has warned.

Many parts of the warning areas could see between 50 and 100mm of rain, with the most exposed upland parts of north Wales, north-west England and south-West Scotland potentially seeing between 150 and 200mm.

Helen Roberts, a meteorologist at the Met Office said: “The same low pressure weather system will affect weather in the UK and remnants of that storm will travel across the Atlantic, although it will be extremely modified.

“The weather is expected to be pretty mild, although heavy rain is expected over a two-day period next week, which may also bring some sleet and snow in higher areas.”