The Latest on a commercial bus crash in New Mexico (all times local):\r\n10:40 p.m.\r\nAuthorities say there are now seven confirmed fatalities from a truck-bus crash on a New Mexico interstate.\r\nPreliminary information indicates a semi-truck traveling the opposite way had a blow-out and crashed head-on into the bus on Thursday afternoon.\r\nGreyhound says 49 passengers were aboard the bus, which was heading from Albuquerque to Phoenix.\r\nInvestigators from the National Transportation Safety Board were dispatched to the scene, along with the New Mexico State Police Crash Reconstruction Unit.\r\nState police say the driver of the truck suffered non-life-threatening injuries.\r\n___\r\n9:15 p.m.\r\nNew Mexico State Police say one westbound lane of Interstate 40, where a fatal truck-bus crash killed at least four people, is now open.\r\nBoth eastbound lanes of the highway also have reopened.\r\nPreliminary information indicates a semi-truck traveling the opposite way had a blow-out and crashed head-on into the bus.\r\nGreyhound says 49 passengers were aboard the bus, which was heading from Albuquerque to Phoenix.\r\nAt least nine passengers were being treated at an Albuquerque hospital. Officials did not release any details about the patients' conditions.\r\n___\r\n6:45 p.m.\r\nOfficials say nine passengers from a deadly head-on bus crash in New Mexico are being treated at an Albuquerque hospital.\r\nOfficials at University of New Mexico Hospital say they are expecting another three patients to be transported later Thursday.\r\nOfficials did not release any details about the patients' conditions.\r\nAuthorities have said that people were injured in the crash along Interstate 40 but they have not provided an exact count. At least four people were killed.\r\nGreyhound says 49 passengers were aboard the bus, which was heading from Albuquerque to Phoenix.\r\nPreliminary information indicates a semi-truck traveling the opposite way had a blow-out and crashed head-on into the bus.\r\n___\r\n5:45 p.m.\r\nAuthorities say preliminary information indicates a blown tire on a semi-truck is to blame for a head-on crash that killed at least four people and injured numerous others aboard a commercial passenger bus.\r\nNew Mexico State Police say the semi was headed east when one of its tires blew, sending the rig across the median and into oncoming traffic where it slammed into the Greyhound bus.\r\nPolice say a number of bus passengers were transported to hospitals with serious injuries.\r\nThey could not immediately say how many people were injured.\r\nA motorist who came upon the scene described it as chaotic as passengers were on the ground and people were screaming.\r\n___\r\n5:15 p.m.\r\nA motorist says the scene of a deadly bus crash in New Mexico was chaotic, with people screaming, passengers on the ground, and debris scattered across an interstate highway.\r\nChris Jones said in a phone interview that he was headed west Thursday on Interstate 40 near the Arizona state line when he saw a semi-truck on its side.\r\nJones says he stopped to help and talked to the driver who told him that one of his front tires had popped, forcing the truck to veer into oncoming traffic, where it struck the bus.\r\nAuthorities have not said what caused the crash. They also have not said how many people were killed or how many were injured.\r\nGreyhound revised the number of passengers on the bus to 49, up from the 47 reported earlier. The company says it is cooperating with authorities and plans its own investigation.\r\nThe bus was headed from Albuquerque to Phoenix when the crash happened near Thoreau.\r\n___\r\n3:30 p.m.\r\nNew Mexico authorities say multiple people have been killed in a commercial passenger bus crash along Interstate 40.\r\nNew Mexico State Police did not say how many people died or how many were injured in Thursday's crash.\r\nThey said passengers were transported to a hospital and a phone number was set up for family members seeking more information about people who were aboard the bus.\r\nThe wreckage included a Greyhound bus with front-end damage and a semi-truck that was on its side and with its cargo strewn across the highway and the median.\r\nGreyhound says the bus was heading from Albuquerque to Phoenix and there were 47 passengers on board.\r\nSpokeswoman Crystal Booker says it's unclear what caused the crash.\r\nThe crash forced the closure of the westbound lanes of the interstate and traffic was backing up as travelers were being diverted.\r\n___\r\n3:10 p.m.\r\nNew Mexico State Police say officers have confirmed multiple casualties from a commercial passenger bus crash along Interstate 40 near the Arizona-New Mexico state line.\r\nAuthorities did not release any other details, saying officers and rescue workers are still at the scene and that some passengers of the Greyhound bus were transported to a hospital in the area.\r\nThe McKinley County Office of Emergency Management set up a phone line for the family members of passengers who are looking for more information.\r\nImages from the scene showed a semi-truck on its side and the bus with front-end damage. Debris from the semi also littered the area.\r\nIt was not immediately clear what caused the crash. Traffic was backed up along the interstate near the town of Thoreau as westbound lanes were blocked.\r\n___\r\n2:30 p.m.\r\nNew Mexico State Police are reporting serious injuries among the passengers aboard a commercial bus that crashed along Interstate 40.\r\nAuthorities say police and rescue workers are on the scene but they did not provide details as to how many people were injured or what caused the crash. They said passengers are being transported to the hospital.\r\nThe crash happened Thursday afternoon near the town of Thoreau in western New Mexico. Traffic was being diverted as the westbound lanes of the interstate were closed due to the crash.\r\nState transportation officials were warning travelers to expect delays.