a couple who disappeared with their newborn baby have been arrested in brighton, but their child is still missing. constance marten and mark gordon were found after being spotted by a member of the public. police have now launched an urgent search for their baby, who is not thought to have received any medical attention since birth. vincent mcaviney reports. 35 year old constance marten and 48 year old mark gordon were reported missing on the 5th of january, after their car broke down nearjunction 4 of the m61 near bolton. the car was found on fire and it s believed miss marten had given birth either in or near the car a day or two earlier. over the following weeks, there were sightings of the couple in a number of places, including liverpool, essex, south london and east sussex. they were thought to be carrying a large amount of cash and to be using camping equipment to live off grid. authorities previously thought the couple had been sleeping rough in a blue tent, avoiding