woman death during baby gender reveal party explosion vpx_00001617.jpg
PHOTO: KCCI
woman death during baby gender reveal party explosion vpx_00001617.jpg
Now playing
01:16
Woman dies after explosion at baby gender reveal party
Now playing
02:43
Senate sends Covid-19 relief bill back to the House for final vote
PHOTO: Getty Images
Now playing
01:55
CDC releases new guidelines for fully vaccinated individuals
PHOTO: Axios/HBO
Now playing
01:42
Sen. Graham: Trump can make GOP stronger or 'destroy it'
PHOTO: Courtesy of Harpo Productions/CBS
Now playing
03:23
Meghan: I didn't want to be alive anymore
PHOTO: Fresno Police Department
Now playing
03:54
New video: Man told officers 'I can't breathe' before his death
WASHINGTON, DC - MAY 2: New York Governor Andrew Cuomo holds a news conference at the National Press Club May 27, 2020 in Washington, DC. Following a closed-door meeting with President Donald Trump at the White House, Cuomo leveled criticism at Republican senators and other politicians that he said want to limit federal aid for New York to combat and recover from the coronavirus pandemic. (Photo by Chip Somodevilla/Getty Images)
PHOTO: Chip Somodevilla/Getty Images
WASHINGTON, DC - MAY 2: New York Governor Andrew Cuomo holds a news conference at the National Press Club May 27, 2020 in Washington, DC. Following a closed-door meeting with President Donald Trump at the White House, Cuomo leveled criticism at Republican senators and other politicians that he said want to limit federal aid for New York to combat and recover from the coronavirus pandemic. (Photo by Chip Somodevilla/Getty Images)
Now playing
03:21
New York state senate majority leader calls on Cuomo to resign
PHOTO: CNN
Now playing
01:26
Sen. Joe Manchin explains why he wanted changes to relief bill
WASHINGTON, DC - MARCH 06: President Joe Biden speaks from the State Dining Room following the passage of the American Rescue Plan in the U.S. Senate at the White House on March 6, 2021 in Washington, DC. The Senate passed the latest COVID-19 relief bill by 50 to 49 on a party-line vote, after an all-night session. (Photo by Samuel Corum/Getty Images)
PHOTO: Samuel Corum/Getty Images
WASHINGTON, DC - MARCH 06: President Joe Biden speaks from the State Dining Room following the passage of the American Rescue Plan in the U.S. Senate at the White House on March 6, 2021 in Washington, DC. The Senate passed the latest COVID-19 relief bill by 50 to 49 on a party-line vote, after an all-night session. (Photo by Samuel Corum/Getty Images)
Now playing
01:36
Biden spokesperson: President doesn't want to end the filibuster
Now playing
02:29
MS gov. encourages residents to wear masks despite dropping mandate
Now playing
02:18
Town previously overrun by ISIS prepares to host Pope Francis
Biden 03062021
PHOTO: CNN
Biden 03062021
Now playing
02:28
'Help is on the way': Biden speaks after Senate passes relief plan
Sen. Lisa Murkowski (R-AK) asks a question at a hearing of the Senate Health, Education, Labor and Pensions Committee on September 23, 2020 in Washington, DC.
PHOTO: Alex Edelman/Pool/Getty Images
Sen. Lisa Murkowski (R-AK) asks a question at a hearing of the Senate Health, Education, Labor and Pensions Committee on September 23, 2020 in Washington, DC.
Now playing
01:40
Trump plans to campaign against Sen. Murkowski in 2022
01 senate stimulus bill 210306
PHOTO: Senate TV
01 senate stimulus bill 210306
Now playing
01:47
Senate passes Biden's $1.9 trillion Covid-19 relief bill
Pope Francis meets with Iraq's leading Shiite cleric, Grand Ayatollah Ali al-Sistani in Najaf, Iraq, Saturday, March 6, 2021. The closed-door meeting was expected to touch on issues plaguing Iraq's Christian minority. Al-Sistani is a deeply revered figure in Shiite-majority Iraq and and his opinions on religious matters are sought by Shiites worldwide.
PHOTO: Vatican Media/AP
Pope Francis meets with Iraq's leading Shiite cleric, Grand Ayatollah Ali al-Sistani in Najaf, Iraq, Saturday, March 6, 2021. The closed-door meeting was expected to touch on issues plaguing Iraq's Christian minority. Al-Sistani is a deeply revered figure in Shiite-majority Iraq and and his opinions on religious matters are sought by Shiites worldwide.
Now playing
01:42
Pope Francis holds historic meeting with revered Shia cleric
WASHINGTON, DC - MARCH 05: Sen. John Cornyn (R) (R-TX) talks with Sen. Joe Manchin (D-WV) while walking to the U.S. Senate chamber for a vote March 05, 2021 in Washington, DC. The Senate continues to debate the latest COVID-19 relief bill.  (Photo by Win McNamee/Getty Images)
PHOTO: Win McNamee/Getty Images
WASHINGTON, DC - MARCH 05: Sen. John Cornyn (R) (R-TX) talks with Sen. Joe Manchin (D-WV) while walking to the U.S. Senate chamber for a vote March 05, 2021 in Washington, DC. The Senate continues to debate the latest COVID-19 relief bill. (Photo by Win McNamee/Getty Images)
Now playing
02:54
Axelrod breaks down Manchin's surprising move
sinema
PHOTO: CNN
sinema
Now playing
01:50
Senator's move has many on the internet outraged
(CNN) —  

A woman has died after an explosion at a gender reveal party in Iowa, authorities say.

The 56-year-old woman, unnamed by authorities, was pronounced dead at the scene Saturday in the city of Knoxville, according to a press release from the Marion County Sheriff’s Office.

The subsequent investigation found “a gender reveal announcement resulted in the explosion” – and the woman was struck by a flying piece of debris, according to the press release.

Gender reveal parties, which have grown in popularity in recent years, feature expectant parents who find out and announce the gender of their unborn baby, often with guests watching and filming on the sidelines.

The reveal can be as simple as cutting a cake to reveal a color inside – blue for boy, pink for girl – to elaborate, over-the-top spectacles. At one Louisiana party, an expectant father wedged a melon into an alligator’s jaws; when the gator chomped down, the melon split open, spattering blue goo everywhere, to cheers from the crowd.

Another 2017 party in Arizona sparked a wildfire that burned almost 47,000 acres of land and caused more than $8 million in damage. In Australia last July, a car that was used to belch out blue smoke suddenly burst into flames, forcing the driver and guests to quickly abandon the vehicle.