Shari'a law allows for Muslim men to have a harem of up to four.

New guidelines on income support from the Department for Work and Pensions (DWP) state: "Where there is a valid polygamous marriage the claimant and one spouse will be paid the couple rate ... The amount payable for each additional spouse is presently £33.65."
The ruling could cost taxpayers millions of pounds....

So, the UK is going to allow for and fund its own Islamification by demographics? Not to mention that bigamy has been against UK and Western law for centuries!