New York ( CNN ) -- Six people died Saturday when a church van overturned and rolled on Interstate 87 north of New York City , police said . The incident occurred around 3 p.m. in the town of Woodbury in Orange County , said State Police Sgt . David Malone . An undetermined number of people were taken to nearby hospitals with injuries , he said . One of the first on scene , Second Assistant Fire Chief Pat Prozzillo told CNN affiliate YNN that the accident was caused by a blown tire and that `` the van rolled approximately three to four times . About six to seven people were ejected , '' he said . Good Samaritan Hospital received four female passengers , two of whom were in intensive care , said Deborah Marshall , a spokeswoman for the Suffern medical center . The four most critically injured were taken via air to Westchester Medical Center , according to Prozzillo . Malone said details on the accident were hazy . CNN 's Logan Burruss contributed to this story .
NEW : Tire may have blown on van , causing it to roll . At least 4 people were injured in the New York wreck . 2 were in intensive care .