EE has apologised for signal problems affecting some of its 27 million customers.
A technical issue stopping some customers from making phone calls, texting and using the internet has still not being fully resolved since yesterday evening.
An EE spokesman said:
"A technical issue has been causing some of our customers to experience problems with their signal.
"This issue has been resolved for many of those affected, and normal service for all customers should resume shortly.
"We apologise for the inconvenience caused to our customers."
More top news
Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."
The US president enjoyed rousing support for his political agenda as a formerly hostile audience cheered his plans in office to the rafters.
The former leader said the party needed to learn lessons after his successor Paul Nuttall failed to unseat Labour in a hard-fought campaign.