Police release CCTV image thought to be of missing couple and newborn in Essex

Image believed to be of Constance Marten, who went missing last week with her baby and Mark Gordon

A couple and their newborn baby who went missing last week are thought to have been seen after travelling inland from an Essex port, police have said.

Constance Marten and Mark Gordon abandoned their vehicle when it broke down on the M61, near Bolton, on Thursday evening.