There needs to better reporting of shame marriages from registrars in order to tackle the influx of people exploiting the immigration loophole, accroding to the Independent Chief Inspector of Borders and Immigration.
John Vine told Good Morning Britain where was "a very patchy" picture of sham marriages sent to the Home Office, and authorities believe the problem has been grossly underreported.
More top news
Six people have been injured and a man has been arrested after an alleged noxious substance attack in east London.
The US first lady travelled without her husband to support the Invictus Games, which were founded by the Prince in 2014.
The Pentagon sent a group of military planes just off the state's coast in a show of force.