Around 100,000 people have descended on the Co Down village of Scarva for the annual Sham Fight.
The event, hosted by the Royal Black Institution, pits King William against King James in the main attraction of the day – however, dozens of bands also take part in a parade.
UTV’s Paul Clark went along to join the crowds.
The Northern Ireland Office has said it does not operate a bonfire compensation scheme, after windows in an apartment block were broken.
DUP leader Arlene Foster has told UTV she condemns bonfire displays like the coffin bearing a picture of the late Martin McGuinness.
Right across Northern Ireland, tens of thousands of Orangemen and their supporters have been on the march.