860万元大奖无人认领，福彩中心称“该做的都做了，弃奖奖金将上缴省级财政，全部留归地方使用”

Group 1 - The core event discussed is the lottery draw on July 24, where a first prize of RMB 8,609,555.00 was won in Zhaotong, Yunnan [2][3] - The deadline for claiming the prize is September 22, and failure to claim will result in the prize being considered abandoned [2][3] - As of now, the winner has not come forward to claim the prize, prompting local authorities to issue announcements urging the winner to contact them [2][3]