The U.S. state of Arizona withdrew its support for a proposed nationwide opioid settlement with Purdue Pharma LP, saying the maker of OxyContin sought to "undermine material terms of the deal," according to a court filing on Monday.

FILE PHOTO: Bottles of prescription painkiller OxyContin, 40mg, 20mg and 15mg pills, made by Purdue Pharma L.D. sit on a counter at a local pharmacy, in Provo, Utah, U.S., April 25, 2017. REUTERS/George Frey/File Photo