FORT WORTH, Texas - A Texas appeals court panel on May 2 affirmed a lower court decision and said an insurer is estopped from arguing to compel arbitration after arguing against arbitration of a reinsurance dispute in earlier litigations (New Hampshire Insurance Company v. Magellan Reinsurance Company, Ltd., No. 02-12-00196-CV, Texas App. 2nd Dist.; 2013 Tex. App. LEXIS 5437).