The victim, believed to be in his 30s, was shot inside 247 West 30th Street — a building near Penn Station — around 7:30 a.m., police said. (Luiz C. Ribeiro) Luiz C. Ribeiro for NY PostEMS rushed him to Bellevue Hospital, where he was undergoing surgery later, cops said. (Luiz C. Ribeiro) Luiz C. Ribeiro for NY PostA splattering of blood remained on the sidewalk outside the building between Seventh and Eighth Avenue, about a half dozen blocks from the iconic Empire State Building. 3 Police found one shell casing from a spent bullet on the second floor of a building on West 30th Street, police sources said. (Luiz C. Ribeiro) Luiz C. Ribeiro for NY PostThe victim’s identity wasn’t released.