The police arrested a 29-year-old man for the fatal Sunday shooting of Eric Pagan, a bouncer at East Village bar Forbidden City. Louis Rodriguez was arrested yesterday in Gramercy; According to the Daily News, "Police said the quarrel started when Rodriguez rolled up on the club in a white van and accidentally struck bar patron Salvador Moran, 31, as he stood outside with Pagan and Robert Calbo, 30. Moran and Rodriguez started arguing until Rodriguez ended the back-and-forth with gunfire, hitting Moran in the neck." Pagan, who wasn't on duty but would check into the bar even off-duty, was also shot, in the face; Moran and Calbo were injured. Witnesses and surveillance video led cops to Rodriguez, who has previously been in prison for assault. On Sunday night, East Village residents paid their respects to Pagan; EV Grieve has more. Photo: EV Grieve