By Eileen Kelley From South Florida Sun Sentinel Four men were taken to the hospital Sunday evening for a medical emergency involving the potentially lethal drug fentanyl. The incident was just three days after four U.S. Military cadets from West Point were among six people who overdosed at a rental home Thursday in Wilton Manors. The cadets were on Spring Break. One of the cadets is on the football team. Shortly before 6:30 p.m. Sunday, Broward Sheriff’s Office Fire Rescue crews found two of the four men in respiratory arrest in the 1600 block of Southwest 40th Terrace in unincorporated Fort Lauderdale, Battalion Chief Michael Kane said. Detectives found “drug residue” at the residence, according to the Broward Sheriff’s Office. Testing determined the substance to be fentanyl. As of Monday afternoon, three of the men had been released from the hospital. The men are ages 39, 30, 28 and 26, …