BATON ROUGE, La. (BRPROUD) -- An investigation is ongoing after a man was found dead in a truck in Port Allen Wednesday afternoon. The Port Allen Police Department said officers got a call about a possible gunshot wound or shooting victim in a truck at a tire shop on N. Alexander Avenue before 2 p.m. A man, identified as Rickey Merritt Sr., was found dead inside a pickup truck. Investigators believe that he may have had a medical emergency. The police department explained that the call that came in about possible shots fired was possibly from the sound of a truck backfiring. West Baton Rouge Parish Sheriff's Office deputies responded to assist officers. The official cause of death is pending autopsy results, according to the police. Baton Rouge mom found guilty of second-degree murder in overdose death of 2-year-old boy Latest News Raccoon roundworm: What to know about the parasite that infected 2 in California Walker middle school given $405K grant for STEM-based program House awards Billie Jean King Congressional Gold Medal in history-making vote Baton Rouge celebrates work starting on 5.3-mile Plank Road restoration project Community leaders along Mississippi River want to keep products, water, money flowing through US