A Clear Lake man is jailed in connection with an explosion that sent a man to the hospital late Saturday.  The Clear Lake Police Department has filed charges against 21-year-old Maxwell Boonstra for being in possession of an offensive weapon.

Police say the bomb detonated in the alley behind Boonstra’s home, injuring 26-year-old Joseph Ubbelohde of Clear Lake. Boonstra then apparently drove Ubbelohde to the injured man’s house where an ambulance was called. Ubbelohde is currently listed in fair condition at Mercy Medical Center-North Iowa in Mason City with a leg injury. Boonstra was released on his promise to appear in court.

Radio Iowa