- 10 updates
Candles have been lit and prayers have been said as the South came together today to show its support for those killed and injured in the Manchester Arena terror attack.
Twenty-two people including children are now known to have lost their lives, dozens more were injured when the bomb blast ripped through the foyer of the building - after an Ariana Grande concert.
Greater security measures are being put in place right across the country, with extra police now being deployed in many of our town and cities. There are also some real security implications for shopping centres, sports stadiums, tourist attractions and music venues. Richard Jones has our report.
- Watch Sam Holder report from Reading
Video may contain distressing scenes
People in the Thames Valley are being urged to stay vigilant this summer after the terrorist attack in Manchester.
There have been no specific threats, but the region is hosting a wide number of major events over the next few months, including the Reading Festival and Common People in Oxford, which is being held this weekend.
Security is already tight at these events and officials are telling those attending to stay aware but not to panic.
Organisers for Common People say that they are liaising with police ahead of the festival.
Reading FC are playing in the Championship play-off final this Monday at Wembley Stadium, with thousands expected to attend.
The English Football League (EFL) and Football Association (F.A.) say that there will be an "enhanced" security operation at the match but that there have been no specific threats.
The English Football League is urging all football supporters planning to go to the play-offs at Wembley next week to be '...vigilant, stay alert and not be alarmed.'
Dorset Police have issued their reaction to the bombing in Manchester last night, offering their condolences to all affected.
The Dorset force has given reassurances to local residents that public safety is a priority. Its officers are in touch with national anti-terrorism co-ordinators and the UK's national security threat level remains the same. The public are being advised to report any suspicious activity to the authorities.
Eurostar says security is at its highest level following the Manchester attack. The company says measures are constantly under review and security is its top priority. There was evidence of large numbers of security staff at all of its stations today.
In the wake of the bombing at the Manchester Arena, other venues around the country are reviewing their safety measures as a precaution. Here in the South, the Ageas Bowl in Hampshire has said that it always works closely with the police and will perform a review and make changes if necessary.
The organisers of the Common People music events in Southampton and Oxford over the coming bank holiday weekend are also reviewing security measures.
Meanwhile, the Brighton Dome which produces the Brighton Festival has also issued its sympathies with the people affected.
Police forces are advising members of the public to continue with their daily lives, but to more vigilant - and to report anything suspicious to the authorities. Dorset Police said that public safety was of the utmost importance.
The Aegeas Bowl venue in Hampshire has issued a statement in the wake of the bombing at the Manchester Arena last night. It will review safety as a precaution and make changes if advised to do so.
Latest ITV News reports
Representatives of Surrey Police have paid respects to those affected by the bomb at Manchester Arena, and encouraged public vigilance.