Five people are dead and a male suspect is in custody after gunfire near a youth center on Dankersstraße in Stade, Lower Saxony, German police say.Officers have sealed off the city center, mounted a large operation and urged residents to avoid the area while searches, interviews and forensic work continue.Witnesses told local media that multiple shots rang out at the youth facility and that first responders found several victims; RTL reports the shootings occurred at that location.Stade, a town of about 50K northwest of Hamburg, remains under heavy police presence, investigators say the motive is unknown and more information will follow.