At least five people were killed and six critically injured in separate accidents in Gurgaon on Saturday, police said. Two people were killed and three injured when their car rammed into a Delhi Metro pillar on the Mehrauli-Gurgaon road in Gurgaon in the early hours of Saturday. Three more people were killed in two other accidents in Gurgaon.Police have registered cases, but no one has been arrested so far.