Miner was appx. 30' away from a capacitor that failed resulting in an ARC flash. Miner denied any injury and refused medical evaluation. On July 8, 2025 miner reported ringing in left ear and shortness of breath from event that occurred on June 12, 2025 and was sent for eval. At no time was a workplace injury reported until July 8,2025. Injury is under compensability investigation.