Nazanin Zaghari-Ratcliffe
Foreign Secretary promises to raise 'serious concern' for jailed Briton.
'Make sure you enjoy the little things in life'
Husband Richard Ratcliffe calls the development 'terrific news'
Richard Ratcliffe tells HuffPost UK says there's closeness to hope and disappointment.
Boris Johnson visit to Iran 'made a difference' says campaign.
An expected court appearance did not go ahead.
Her husband is 'waiting on tenterhooks' for news.
Mother has been held in brutal prison for almost two years.
Iranian officials are judging whether she's fit to be in jail.
Fresh anger at Boris Johnson as British mother faces longer jail term.