3 things we know about the Highland Park Fourth of July parade mass shooting

1. Around 10:14 a.m. Highland Park Police      and Fire Departments were on the scene for the 4th of July      parade.

The parade started at City Hall and St. Johns and ran to Central Avenue       and then west of Sunset Park. Loud sounds similar to gunfire were  heard.

Witnesses at the scene said they saw the shooter on a      roof 10 feet  away from the parade who fired multiple shots for about      several  minutes.

Witnesses at the scene said they saw the shooter on a      roof 10 feet  away from the parade who fired multiple shots for about      several  minutes.

2.  Highland Park Police Cmdr. Chris O'Neill confirms that six people are dead and 24 people were wounded in the shooting.

3.  Police said there was only one shooter who is described as a white  man between the ages of 18 to 20, with long black hair and a small build  wearing a blue or white t-shirt.

Police said the suspect was shooting from a roof. A high-powered rifle  was recovered from roof of a business. SWAT is going door-to-door and is  urging community members to stay indoors.

The suspect remains at large and is considered armed and dangerous.

Anyone with video is asked to contact the Highland Park Police  Department. Tips and information can also be submitted to the FBI at  1800-CALL-FBI.