Three days ago, on 25th July 2016, after four years, American heavy metal & hard rock band Avenged Sevenfold announced that they will return to the UK for their 2017 world tour, three months after they appear at Knotfest Mexico on October 15 2016, and metal legends Disturbed and In Flames have joined them along the way. Disturbed is currently touring the USA and In Flames is due to start up their own tour at Knotfest Japan later this year, on  November 6th.