James Robinson, husband of Gloria De Piero, says police visited their home with a warrant but he has not been detained or questioned

The husband of former Labour MP Gloria De Piero has confirmed his home was searched on Wednesday as part of a police investigation into an alleged Chinese spying ring.

James Robinson, a former aide to the ex-Labour deputy leader Tom Watson, issued a statement confirming the raid on the home he shares with his wife, but said he had not been detained or questioned by police.