Many Apple users have been left asking if leaving their iPhone on low power mode all day is bad for their device.

Flights have been delayed and cancelled at airports including Heathrow after an alleged cyber attack targeted a service provider for check-in and boarding systems.

Ukrainian President Volodymyr Zelensky said attacks took place across nine regions including Zaporizhzhia and Kharkiv.

Thousands of people were evacuated from their homes in Hong Kong overnight so experts could defuse a large US-made bomb left over from the Second World War that was discovered at a building site.