OTTAWA — A gunman who shot a Canadian soldier in Ottawa was chased by police into the center block of parliament, and 30 more shots were fired inside the building, an eyewitness told Reuters on Wednesday.Parliament was locked down and Prime Minister Stephen Harper left the building safely as police converged on the area.The wounded soldier was taken into an ambulance where medical personnel could be seen giving him cardiopulmonary resuscitation.The shooting comes two days after an Islamic convert ran down two Canadian soldiers with his car, killing one, near Montreal, before being shot and killed by police.A construction worker on the scene told Reuters he heard a gunshot, and then saw a man dressed in black with a scarf over his face running toward parliament with a gun.The man stopped a black car at gunpoint and hijacked it, construction worker Scott Walsh told Reuters.