A friend said: "They have to make sure the twins are protected and do everything they can to look after them. That means a stable home life and routine - and they can only do that in the UK.At home there is a strong support network with lots of friends and family around to help. They know their home is in Leicestershire and they have happy memories of that home. They are getting close to setting a date for coming home."
The couple are renting in a villa while the search carries on but the lease is paid only until the middle of September. And campaign manager Justine McGuinness, who has overseen their media relations for two months, is leaving her post at the same time.