A gunman broke into a St. Louis high school Monday morning, fatally shooting a woman and a teenage girl and injuring six others before police killed him in an exchange of gunfire.

Houses of worship are meant to be places of shelter, reflection and peace, where strangers are welcome. But the recent string of high-profile mass shootings in the U.S. is a reminder violence can happen anywhere, prompting some faith leaders to ramp up security.

A gunman on a rooftop opened fire on an Independence Day parade in suburban Chicago on Monday, killing at least six people, wounding at least 30 and sending hundreds of marchers, parents with strollers and children on bicycles fleeing in terror, police said.

On Pentecost Sunday, a day when the church commemorates and celebrates the receiving of the Holy Spirit by the early church, an evil spirit was at work in the modern church.

Why did as many as 19 police officers at the scene in Uvalde, TX, wait in the school hallway for roughly an hour for specially trained officers from the Border Patrol to storm the classroom where the shooter was located?

A student gunman opened fire Thursday at a Southern California high school, killing two students, wounding three others and shooting himself in the head, authorities said. He was in grave condition. The shooting occurred around 7:30 a.m. at Saugus High School in Santa Clarita, CA.

Christians around the world are praying after two separate mass shooters in Ohio and Texas killed 29 people and inured about 50 in less than 24 hours. Officers gunned down the Ohio shooter and arrested the El Paso shooter as hundreds fled a crowded shopping center. While gun laws need to change, we must never stop being prayerful.