"Al-Jubeir remained silent even though he knew beforehand what was being plotted against the Turkish state," the former Qatari emir said, Al Masdar reported.
Comment: How does he know this?
He also strongly condemned the failed military coup, stressing his country's solidarity with the legitimate Turkish government.
Al Thani, considered a former close ally of Turkish President Recep Tayyip Erdogan, also commended the 'positive and constructive' role undertaken by Erdogan in the region.
The accusations by the former Qatari emir aganist Saudi Foreign Minister Adel al-Jubeir come after an attempted Turkish military coup crumbled on Saturday after crowds answered President Tayyip Erdogan's call to take to the streets to support him and dozens of rebel soldiers abandoned their tanks in the main city of Istanbul.
Comment: Whistleblower: Saudi deputy crown prince played major role in Turkey coup