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.
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An man is reported to have wounded at least five people - two seriously - in an attack in the Swiss town of Schaffhausen.
Donald Trump's son-in-law has denied any improper conduct during four contacts with Russians during and after the presidential election.
Police are appealing for witnesses after Sunday night's incident, which is not being treated as terror-related.