SEE DUST. I WILL SHOW YOU THE TIMING IN JUST MINUTES.>>>RIGHT NOW, PRESIDENT TRUMP IS WAKING UP IN THE VALLEY. HE IS STAYING RIGHT HERE AT THE OMNI RESORT AND SPA. THE PRESIDENT WILL SPEND MOST OF THE MORNING HERE BEFORE HEADING TO RENO. HE WILL DELIVER THE SPEECH TO THE AMERICAN LEGION THERE. AND SIGNED THE VETERANS APPEAL IMPROVEMENT AND MODERNIZATION ACT. WHEN THE PRESIDENT WENT TO BED LAST NIGHT THIS IS WHAT WAS HAPPENING IN DOWNTOWN PHOENIX. POCKETS OF VIOLENCE AS A CROWD OF THOUSANDS, MANY CLASHING WITH POLICE OUTSIDE THE CONVENTION CENTER. BRAND-NEW, POLICE TELLING US ONLY FOR MAC PEOPLE WERE ARRESTED. THAT’S NOT TOO BAD. KATIE CONNER IS JOINING US LIVE WITH THE NEWEST INFORMATION.>>Reporter: THE CHIEF SAID SHE WAS TOLD SOME PROTESTERS HAD THEIR OWN TEARGAS THAT THEY USED ON I OFFICERS PHOENIX POLICE WILL START TO LOOK AT THE ENTIRE NIGHT AND HOW IT UNFOLDED. TAKE A LOOK AT THIS VIDEO. RIGHT BEFORE AND RIGHT AFTER THAT TEARGAS WAS DEPLOYE YOU CAN SEE IN THE VIDEO OFFICE WITH REGULAR MOVING IN AS PROTESTERS TRY TO COVER THEIR FACES FROM THAT PEPPER SPRAY. THIS NEXT CLIP WAS FROM A VIEWER STANDING ON TOP OF A PARKING GARAGE AS A PEPPER SPRAY — PEPPER SPRAY AND SMOKE MOVED UP. HOW THIS STARTED IS STILL A QUESTION. POLICE ON THE GROUND TELL US A GROUP OF PROTESTERS STARTED THROWING BOTTLES AND ROCKS . THE CHIEF WAS TOLD THAT SOME OF THE PROTESTERS ACTUALLY HAD THEIR OWN TEARGAS. SOME WITNESS SAY THE OFFICERS MOVED IN 1st. JAMES WOMAN WAS IN THE MIDDLE OF ALL OF THIS .>>I SAW SOME SMOKE GO OFF. I SAW A RUBBER BALL SHE BY AND THE NEXT THING I HEAR WAS LIKE A BUZZ AND IT HIT ME IN THE ARM.>>Reporter: WE KNOW 4 PEOPLE WERE ARRESTED LAST NIGHT . THE MAYOR DOESN’T THINK THE INSTIGATORS ARE FROM HERE, WHICH IS INTERESTING, BECAUSE EARLIER THIS WEEK WE SAW THIS JOB POSTING ON CRAIGSLIST FOR ACTORS TO SUPPORT THE PRESIDENT AND GET PAID OUT HERE LIVE WE ARE ALSO WORKING TO CONFIRM THAT AND FIGURE OUT THEIR NAMES AND WHAT THEY HAVE BEEN CHARGED WITH.