A man was injured in a shooting in Humboldt Park Saturday morning, according to Chicago police.The man, 28, was near the sidewalk in the 3300 block of West Chicago Avenue around 10:40 a.m. when a person on a bicycle approached him and shot at him, police said. He was shot in his back, leg and buttocks and took himself to Humboldt Park Health where he was reported to be in serious condition.No one is in custody.