PHOTO GALLERY: Protestors, police clash again in Ferguson on Friday night

Unrest returned in Ferguson on Friday night with more businesses being looted. Some people guarded businesses and encouraged others to stop looting. On Saturday, Gov. Jay Nixon declared a state of emergency and imposed a midnight to 5 a.m. curfew.

PHOTO GALLERY: Officer revealed in Ferguson shooting

The officer responsible for the shooting of Michael Brown, which led to riots and looting in Ferguson earlier this week, was identified as Darren Wilson on Friday afternoon.

PHOTO GALLERY: Zou Cab carts Columbia residents throughout downtown

Columbia pedicab business Zou Cab takes residents throughout the downtown area. Michael Weinstein, Zou Cab's owner, bikes from bar to bar to pick up customers on most Saturday nights.

PHOTO GALLERY: Tone of Ferguson protests shift as Highway Patrol takes over

The tone of protests in Ferguson changed Thursday after the Missouri State Highway Patrol took over control from local police. On Friday morning, the Ferguson police chief identified the officer involved in the shooting that killed 18-year-old Michael Brown.

PHOTO GALLERY: Hickman readies for first game

Hickman High School's football team hopes to adapt its running game this season. The Kewpies' first game will be against Christian Brothers College High School on Aug. 22 at Hickman.

PHOTO GALLERY: Company plans to build radioisotope production facility in Columbia

Northwest Medical Isotopes announced in May that it intends to develop a reliable domestic supply of the radioactive material Molybdenum-99, which is used in about 50,000 medical procedures a day. No producers currently are located in the U. S., and the company plans to build a $50 million radioisotope production facility in Columbia, near the MU Research Reactor.

PHOTO GALLERY: Columbians gather for National Moment of Silence vigil

More than 100 people gathered Thursday at Speakers Circle to observe a moment of silence for Michael Brown, the Ferguson teenager who was shot by police on Saturday. More than 90 cities across the country took part in the vigils.

PHOTO GALLERY: Jefferson Middle School is last school in district to add air conditioning

Jefferson Middle School added a central cooling system to the building this summer. It was the last school in the Columbia School District to receive a building-wide system. Teachers and students had been relying on single-classroom units to stay cool during the school year.

PHOTO GALLERY: Oakland Middle School teachers prepare for school year

With Columbia Public Schools' classes to begin Tuesday, teachers at Oakland Middle School began arranging their classrooms on Thursday.

PHOTO GALLERY: Protests turn violent in Ferguson

Protests in the St. Louis suburb rocked by racial unrest since a white police officer shot an unarmed black teenager to death turned violent Wednesday night, with some people lobbing Molotov cocktails and other objects at police who responded with smoke bombs and tear gas to disperse the crowd.

PHOTO GALLERY: Pet disaster relief trailer unveiled

Boone County's new pet disaster relief trailer was unveiled on Wednesday at a ceremony at Stephens Lake Park. The Columbia-based Orthopedic Foundation for Animals funded the trailer's purchase.

PHOTO GALLERY: Nash Sutherlin prepares for the Battle football season

Nash Sutherlin, who has NFL dreams, and the Battle High School football team are looking to improve upon its first year playing competitively.

PHOTO GALLERY: Matt Cottle, who has autism, owns baking company

People with autism often face a difficult time looking for jobs. Some have avoided the process entirely by founding their own companies.

PHOTO GALLERY: Missouri River 340 racers make stop at Cooper's Landing

Competitors arrived at Cooper's Landing during the Missouri River 340 race on Wednesday.

PHOTO GALLERY: Sigma Alpha Epsilon house nominated to National Register of Historic Places

The Sigma Alpha Epsilon fraternity house at 24 E. Stewart Road was nominated to the National Register of Historic Places on July 1. The Missouri Advisory Council on Historic Preservation will consider it, as well as eight other nominations, for a place on the registry of historic buildings at its quarterly meeting Friday in Kansas City.

PHOTO GALLERY: Missouri football plays first scrimmage

The Missouri football team had its first scrimmage of fall camp Tuesday at Faurot Field. A second scrimmage is scheduled for Saturday, and the Tigers will hold their final scrimmage of fall camp on Aug. 21.

PHOTO GALLERY: Health workers help patients survive Ebola outbreak

PHOTO GALLERY: Fans gather to meet Missouri football team, coaches

Missouri football fans gathered at Faurot Field on Sunday to talk to players and coaches and get autographs.

PHOTO GALLERY: Robin Williams dies

Robin Williams was pronounced dead at his home in California on Monday, according to the sheriff's office in Marin County.

PHOTO GALLERY: Vandalism, looting break out in Ferguson after vigil

On Sunday, the day after 18-year-old Michael Brown was shot and killed by a police officer in Ferguson, thousands gathered for a vigil. Vandalism and looting broke out in the area following the vigil. Officials said there were no reports of injuries, but there were reports of assaults into the early morning.