Breaking tonight, the violent scene at a Tacoma Washington High School.

Students stabbed on campus and rushed to the hospital.

What happened?

The new details just coming in, four kids and a security guard injured.

The school placed into lockdown.

The chaos inside as parents wait anxiously for word on what happened.

Also tonight, the massive house explosion caught on police body cam.

Those officers sent flying.

The house blown apart, erupting in flames.

The injured officers then rushing to pull victims out.

One man still unaccounted for, did he set it all off? New images

just in the moment the man who attempted to assassinate the president charged through the metal

detector, a gas mask and hollow point bullets inside his backpack the night of the attack. Also breaking

dramatic reversal, Camp Mystic says it will no longer reopen

this summer after last year's deadly floods. How outraged parents of the 27 people killed

stopped the reopening. Our series, the cost of denial, the hospital worker with a hole in her

heart, insurance denying the potentially life-saving heart

surgery she needed what happened after our reporter investigated her case this just in brittany

spears officially charged with the d ui after she was arrested what police say they found on her

trapped in a claw machine. How did this toddler

get stuck inside and how did first responders get them out? This is NBC Nightly News with Tom

Yamas. And good evening. We are tracking breaking news as we come on the air right now, a violent attack at a Washington State High School. This is the scene outside Foss High School in Tacoma right now, the campus on lockdown after a stabbing rampage. Here's what we know at this hour. At least four students stabbed a security guard wounded. Five people have been taken to nearby hospitals, and police say the

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