Britain's foreign office said on Tuesday that Iran bringing new charges against British-Iranian aid worker Nazanin Zaghari-Ratcliffe was unacceptable, and that she must not be returned to prison. 'Iran bringing new charges against Nazanin Zaghari-Ratcliffe is indefensible and unacceptable. We have been consistently clear that she must not be returned to prison,” a foreign office spokesperson said in an emailed statement.
