Madison Police have no new developments to report in the investigation of the apparent hit-and-run death of a Madison woman early Sunday morning.The investigation continues into the death of Tina R. Harrod, 46, who was walking on the 2300 block of Wilson Avenue toward her nearby home when she was struck by a passing vehicle that fled the scene, according to Madison police.A passersby found Harrod lying in the roadway at about 3:45 a.m. She was unresponsive when police arrived.Police did not receive witness reports of the incident and continue to search for the vehicle and driver.Anyone with any information regarding the case should contact Lt. Det. Jonathon Simpson or Patrolman Brandon Decker at the Madison Police Department at (812) 265-3347.