The mother of Lance Corporal Liam Tasker, Jane Duffy, says her son formed an incredibly close bond with Theo, because they were never apart.
More top news
The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.