The jury heard weeks of evidence before deliberations began

The woman was released after a doctor's certificate was presented to Judge Roger Sanders at London's Harrow Crown Court.

The jury, which is now deliberating on the three-month trial, is now down to 10 - seven men and three women.

Another juror had been earlier discharged due to ill health.

Nigerians Lucky Jacobs, 23, Henry Momodou, 39, Kayode Abdul, 24, and Kosovan Albanians Behar Limani, 26, and Jgergi Tuka, 25, all deny violent disorder at the Yarl's Wood detention centre in Bedfordshire, between 16 and 16 February last year.

The �100,000 showpiece Home Office detention centre was destroyed in the fire.