Figures obtained by BBC Newsnight show large spikes in sales of torches, radios and power banks.
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Storm Boelo leaves thousands without power as Met Office issues new wind warning
A yellow warning for strong winds came in effect at 18:00 on Monday across the west coast of England, Wales and Scotland and eastern parts of Northern Ireland.
Jay-Z to perform at Super Bowl half-time show
Jay-Z has been involved with the show for years but has never before performed at the NFL championship game.
Truce begins in wartorn Ukraine city after it was announced by Melania Trump
The ceasefire is meant to allow aid deliveries and the evacuation of civilians.
Jordan carries out deadly strike in Syria in retaliation for church attack
The attack on a village in Syria killed five people, including women and children, Syrian health officials said.
Chancellor to cut tariffs on some staple goods to offer cost of living help
The chancellor will axe tariffs on some staples as part of plans to give households "breathing space".
Apple says it will replace iPhone Duo handsets with screen problems
Photos shared online showed faults appearing on the screens of Apple's first foldable device.
Lula's comeback in Brazil dents Trump's ambitions for Latin America
The Trump-Lula relationship may have thawed, but several issues could reignite tensions between the two leaders.
My husband's death was hard enough - then came the admin
Louisa says her experience of dealing with household bills after her husband John died left her feeling "frustrated and angry".
The Papers: 'England's golden boy' Kane and 'Time to pay fair'
Many of the papers consider what will be in the Budget and praise Harry Kane for his Ballon d'Or win.
Opposition leader María Machado returns from exile to a Venezuela reshaped by Trump
Machado returns with Trump's blessing, even if Washington is happy with Venezuela's existing leader - at least for the time being.
Macklemore begins Free Palestine tour after Ed Sheeran fallout
Proceeds from the tour, which begins in Dublin next month, will go to organisations supporting Palestinians, he says.
Macklemore begins Free Palestine tour after Ed Sheeran fallout
Proceeds from the tour, which begins in Dublin next month, will go to organisations supporting Palestinians, he says.
Ex-FBI chief James Comey faces federal charges for third time
Comey's lawyers say the case stems from alleged disclosure of classified information to the New York Times in 2016.
'I'm a single mum on £41,000 and limit my weekly shop to £40.' What do you want from the Budget?
People earning from £380 a month to £150,000 a year tell the BBC what they want to see in this year's Budget.
India's largest share sale could end cheap mobile internet for millions
Jio's IPO promises a windfall for investors, but could signal the end of cheap mobile data for millions.
DUP MLA joins Lockhart's call for O'Neill's removal as first minister
Diane Forsythe backs Carla Lockhart and says there must be "profound consequences" for Sinn Féin.
London City's Putellas wins record-equalling third Ballon d'Or
Barcelona and Spain midfielder Alexia Putellas wins the Ballon d'Or Feminin for a record-equalling third time.
Kane ends England’s 25-year wait to win men’s Ballon d’Or award
Harry Kane becomes the first English player to win the prize since Michael Owen in 2001, and Spain midfielder Alexia Putellas wins the Ballon d’Or Feminin for a record-equalling third time.
Kane ends England's 25-year Ballon d'Or wait - how he bucked the trend
Harry Kane becomes the first English player to win the Ballon d'Or since Michael Owen in 2001 after being crowned the world's best player at a ceremony in London.
Chris Mason: Budget is imminent as tricky issues pile up for Burnham
From Brexit debates to North Sea oil, there is plenty getting the cabinet, the Labour Party and the country talking.