Separated parents caught up in cross-border disputes about children could suffer more distress if Brexit negotiators fail to persuade European Union ministers to continue legal co-operation, a family law expert says.

The London attorneys alleged to be representing Madonna's director husband Guy Ritchie in their rumoured divorce have denied having any involvement in the case.

Split rumours swirling around Madonna and Guy Ritchie are refusing to go away - a US TV news show claims the pop superstar is seeking legal advice from Paul McCartney's divorce lawyer.