A retired doctor has been arrested after he glued himself to the A1 as part of an Insulate Britain protest on Monday. <br /> <br />A total of 16 climate activists were arrested on the carriageway, as well as 29 more who occupied a junction on the M25. Report by Buseld. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
