The Battle of Typhon was a large battle between Lyran forces on one side with Federation and Romulan forces on the other. Intelligence gathered from a Krivaldi ship on Shydal Prime indicated that elements within the Lyran Star Empire had expressed interest in joining the Krivaldi, Breen, and Dominion coalition. Fearing another front in the war, then Vice Admiral Jolias Enor gathered a task force of over one-hundred Federation ships and intercepted the still larger Lyran Force near the Typhon Expanse. The battle raged on and the Federation forces were slowly being dismantled until Romulan reinforcements under the command of Shiarrael t`Rehu arrived sending the Lyran forces into disarray using the aptly dubbed Rehu Maneuver.
The Lyrans forces were quickly overwhelmed and offered their surrender. While Admiral Enor accepted the surrender, then Ael'Riov t'Rehu refused and obliterated the remnants of the Lyran fleet. In some circles the incident would be dubbed the 'Lyran Massacre.'
The Lyran Massacre
Refers to the complete destruction of the Lyran fleet and all personnel after the Lyrans had offered their surrender by the Romulan forces under the command of Shiarrael t1Rehu. No charges were ever brought against her on Romulus as she was acting within the confines of Romulan Military Policy- although proceedings in the Federation are being insisted on by peace activists. However proceedings in the Federation are unlikely to occur as the the current Lyran Government agrees with the Romulan assessment that no wrongdoing occurred (although this is likely due to the fact that current Lyran government is a puppet state of the Empire.)