SALT LAKE CITY — The Latest on a houseboat explosion that killed a woman along the Utah-Arizona border (all times local):

3:25 p.m.

Authorities say a fifth person was injured in a houseboat explosion along the Utah-Arizona border that killed a Colorado woman.

The National Park Service said Thursday that a boy sustained minor injuries in the explosion that killed 52-year-old Kirsten Meyer of Castle Rock, Colorado. Four other people were critically injured.

The boy was treated and released from a clinic at Lake Powell after the generator blew up when someone tried to start it on Wednesday night. The other four people were flown to hospitals in Colorado and Utah with burns, broken bones, and facial injuries.

Officials say the explosion happened as a large group of about 25 people vacationed in the remote Crystal Springs Canyon area.


10:09 a.m.

One woman is dead and four other people are critically injured after a nighttime explosion on a houseboat along the Utah-Arizona border.

Authorities said Thursday that a generator exploded late Wednesday night as a large group of people were vacationing on a privately owned boat on Lake Powell.

Sheriff Rick Eldredge of San Juan County, Utah, said in a statement that someone was trying to start the generator in the Crystal Springs Canyon area when it suddenly exploded.

Glen Canyon National Recreation Area spokeswoman Mary Plumb says a 52-year-old woman was killed.

She says the four injured people were flown to hospitals with broken bones, burns and facial injuries.

The National Park Service and sheriff’s office are investigating.

Identities of the people involved weren’t immediately released.