7:30 p.m. update

Valerie Castile, the mother of Philando, called for peace and released the following statement:

“On behalf of myself and our entire family, we urge all people to remain peaceful in all demonstrations throughout our community and our nation. When demonstrations become violent, it disrespects my son and his memory. Philando was a man of peace and dignity.Please, I ask you to at all times remain peaceful in your expressions of concern regarding his death at the hands of the police. I promise that we will not rest until justice prevails.”

A Saint Paul police officer was severely injured in the protest that shut down Interstate 94 in the Twin Cities on Saturday night. Some officials have described the demonstration as a "riot."

The officer has a broken vertebrae, according to reports. BringMeTheNews has reached out to the department for more information.

https://twitter.com/sppdPIO/status/752266408004767748

A total of 27 officers from multiple agencies were injured on Saturday, according to KARE11. The Minnesota State Patrol released a statement on Sunday that said six of their troopers were also injured by protesters throwing rocks, bottles, fireworks and rebar.

A total of 49 adults and 1 juvenile were arrested by troopers on the freeway, according to the State Patrol. They face third degree riot charges. The St. Paul police made additional arrests off of the freeway, said the statement.

Demonstrations continued in in front of the police department and city hall in St. Anthony on Sunday afternoon. Click here for updates on that protest.

The demonstration was the latest in response to the death of St. Paul cafeteria supervisor Philando Castile on Thursday. He was shot and killed by a St. Anthony police officer who pulled him over for a traffic stop.