A burial monument with human remains thought to be about 4,500 years old has been discovered in East Yorkshire.

Parts of a Roman road and a burnt mound were also discovered during a £5m project to build a 5.2km (3.2 miles) sewer near Full Sutton.

Ecus Archaelogy, working on the site for Yorkshire Water, said the three sites give a glimpse into the prehistoric and early historic past of the area.