According to the Home Office a "sham" marriage or "sham" civil partnership typically occurs when a non-European national marries someone from the European Economic Area as a means of attempting to gain long-term residency and the right to work and claim benefits in the UK.
More top news
Emma Jesson brings you Sunday night's forecast
Frosty on Sunday night with showers on Monday, some wintry. Breezy in the west. Unsettled, changeable, cool new week
Emma Jesson brings you Saturday night's forecast