Wendy Peterson, left, and Kristi McKnight, right, staff at Harwood Union High School, update a marquee in front of the school Monday, Oct. 10, 2016, in Duxbury, Vt., with an invitation to the public to attend a vigil for four students from the school, and a fifth member of the community, killed in a wrong-way crash on Interstate 89 Sunday. The five teenagers were killed when a pickup truck speeding in the wrong direction on the highway slammed into their car, sending it up in flames. (AP Photo/Wilson Ring)

DUXBURY, Vt. - The Latest on the wrong-way crash that killed five high school students in Vermont (all times local):

6:45 p.m.

Vermont State Police say a man suspected of driving the wrong way on an interstate, causing several crashes that killed five high school students and injured others is now in the custody of the Vermont Department of Corrections.

Police said Tuesday evening that they had served an arrest warrant on Steven Bourgoin for his alleged use of a police cruiser.

Bourgoin remains hospitalized in serious condition. It was not immediately known if he's being represented by an attorney.

Prosecutors say Bourgoin is their primary suspect in the teens' deaths, but they haven't charged him.

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5:30 p.m.

Two days after five teenagers were killed in a highway crash caused by a wrong-way driver, students have set up a memorial at Harwood Union High School in Duxbury, Vermont, for their classmates who died in the crash.

Four Harwood students and girl who attended Kimball Union Academy in Meriden, New Hampshire, were killed in the fiery crash early Sunday.

Friends, fellow classmates and teammates on Tuesday wrote loving messages to the victims on scores of post-it notes placed on tables alongside flowers, athletic jerseys and a signed soccer ball. Other schools sent flowers and posters with notes from students.

A room at the school also was set aside for students and staff to have a quiet place to go, grieve, console and support each other and meet with counsellors. Officials say the room was filled throughout the day.

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10:35 a.m.

Students have returned to a Vermont high school for the first time since four classmates and another teen in the community were killed in a fiery crash caused by a wrong-way driver.

The hallways at Harwood Union High School were quiet Tuesday morning, and the flag outside the school flew at half-staff.

School officials say a memorial space has been set up, and students and staff will be given the time and space they need to process their grief.

The four Harwood juniors and a girl who attended another school died early Sunday when their car was struck and burst into flames.

Meanwhile, the condition of the man accused of causing the crash has been upgraded from critical to serious.

A candlelight vigil was held for the teens Monday night.

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1 a.m.

Students are returning to a Vermont high school for the first time since four classmates and another member of the community were killed by a wrong-way driver.

The superintendent of Harwood Union High School says a memorial space has been set up in the building, and that students and staff who are returning Tuesday will be given the time and space they need.

The four Harwood juniors and a girl who grew up with them but went to high school in New Hampshire died late Saturday when the car they were riding in was hit by a wrong-way driver and burst into flames.

About 1,000 people gathered at the high school Monday night for a candlelight vigil to honour them.

News from © The Associated Press, 2016