5 Things to Know This Morning

— -- Your look at the five biggest and most buzz-worthy stories of the morning.

1. Texas Firefighter Responds to Call, Saves Own Family

A Texas volunteer firefighter responded to a head-on collision, only to discover his wife and son had been in the mangled car.

Aaron Van Riper’s family was in a head-on crash with an oncoming pickup truck near Riverside, Texas on Saturday, according to ABC affiliate KTRK.

“It’s my family. My wife was laying there on the ground. [By] the look of the car, I don’t know how either one of them lived. There was nothing left of that car,” said Van Riper, the assistant fire chief at the Thomas Lake Road Volunteer Fire Department told KTRK.

2. McKinney Police Officer Eric Casebolt Resigns In Wake of Pool Video

The police officer who was videotaped slamming a teen girl to the ground and raising his gun towards others during a fight at a Texas pool has resigned, his attorney told ABC News -- actions the local police chief described as "indefensible."

Cpl. Eric Casebolt's resignation comes a day after hundreds of protesters marched near the pool in McKinney where the incident took place last weekend.

McKinney Chief of Police Greg Conley said that Casebolt's actions on the cell phone recording of the incident were "indefensible."

"Our policies, our training, our practice do not support his actions," he added.

3. NY Prison Escapees: A Closer Look at the Convicted Killers

The two murderers who are on the run after an intricate escape from an upstate New York maximum security prison have a violent past: One of the men has killed twice and escaped from jail before, and the other killed a law enforcement officer.

"These are dangerous men," New York Gov. Andrew Cuomo said, adding that they are "capable of committing grave crimes once again."

4. Missouri Family Mourns Teen Athlete Who Collapsed at Pool

The family of a Missouri teen, who died unexpectedly while swimming with friends, said the girl was "a competitor and lively spirit."

Emma Aronson, of Lee's Summit, Missouri, died this week after collapsing at swimming pool with her friends, according to her father Jason Aronson.

The 17-year-old rising senior was with her boyfriend and other friends at local pool where they were racing against each other in the pool.

"She was done racing and she just resting on edge of pool," Jason Aronson told ABC News. "She said I feel so tired...then she just passed out."

5. Miley Cyrus on Addressing Her Sexuality: Mom 'Didn't Want Me to Go to Hell'

Miley Cyrus came out as a bisexual when she was 14 — and her mother feared the child actress would face eternal damnation.

The singer, 22, who has spoken openly about her sexuality in the past, revealed to Paper magazine her mom's reaction to the news.

"I remember telling her I admire women in a different way," Cyrus told the magazine. "And she asked me what that meant. And I said, I love them. I love them like I love boys. And it was so hard for her to understand.