内容摘要：People took to social media to complain about a series of problems with the company's website and mobile app on Friday afternoon.

People took to social media to complain about a series of problems with the company's website and mobile app on Friday afternoon.

Get our flagship newsletter with all the headlines you need to start the day.Net migration fell by almost 50% in 2024 compared to the previous year, according to the Office for National Statistics (ONS).

New estimates showed 431,000 more people arrived in the UK than left over the 12-month period, compared to 860,000 a year earlier - the largest numerical drop on record.The decrease was driven by declining numbers of people coming to work and study in the UK following changes introduced by the previous Conservative government, and large numbers of people who arrived on study visas after Covid-19 pandemic restrictions eased leaving.There was also a large drop in the number of dependents accompanying people arriving in the UK on work and study visas, the ONS said.

The previous biggest calendar year fall was during the early stages of the Covid-19 pandemic, when net migration dropped from 184,000 in the year ending December 2019 to 93,000 in December 2020.The large drop in the number of students bringing family members to the UK was a key objective of James Cleverly, the last Tory home secretary.

At the same time, the end of global travel restrictions caused by the pandemic meant people who delayed their intention to move away finally went through with their plans.

That group included people who came to the UK to study and have now left..

Grace Theodoulou, policy fellow on China at the Council on Geostrategy, says there are two main potential threats to consider for Chinese investment in UK critical infrastructure."The first is the potential for espionage – for example, having Chinese-made audiovisual equipment installed in government buildings or devices.

"The second is the infrastructure can be controlled by the manufacturer and, as such, could be disrupted for geopolitical leverage," she said.Some analysts argue that