Negotiations have progressed in recent months, according to multiple officials familiar, with the White House optimistic of reaching a deal.

The Green Party admits that its leader has, until recently, been living on a houseboat in London and may have failed to pay council tax.

The situation could still change and there might be more confirmed cases, warns the head of the World Health Organization.

The 28-year-old Iraqi Kurd has evaded arrest by operating under the alias “Kardo Ranya”.