The mercury fell to -2.2C (28F) in the Scottish Highlands early this morning, while the coldest place in England was Charlwood in Surrey at -1.4C (29.5F).
Officers separated rival groups at High Street Kensington Underground station in west London, while in the street outside a large crowd lit flares and chanted.
Rolando Salinas, the mayor of Eagle Pass, said that Joe Biden was partly to blame for the chaos engulfing his town. He said 11,500 migrants have arrived in 10 days, with 9,000 more expected.
Dark skies, thunder and lightning and torrential rain hammered the capital while music-lovers at Reading and Leeds festivals were forced to put on ponchos amid downpours
Americans are leaving employers in the lurch on August 24 by calling in sick more than any other time of year, including the day after Super Bowl Sunday.
The warning for the south-east London borough was issued by police last night after following social media called for troublemakers to plunder stores at Broadway Shopping Centre.
){kind=link}
){kind=link}
){kind=link}
){kind=link}
){kind=link}
){kind=link}