ABC News.When they arrived at the scene a suspect opened fire on them, a law enforcement source said.There are reports of injuries, although authorities have not confirmed this.Footage from the scene appeared to show a topless man in shorts with a bloodied leg being led out by officers.Police urged people to stay aware from the area as they dealt with the shooter and waited for a public information officer to arrive.Boulder Police Department wrote on Twitter: "ALERT: Active Shooter at the King Soopers on Table Mesa."AVOID THE AREA.
PIO is en-route."The shooting was reported around 2.30pm local time on Monday.A suspect was later detained, according to local reports.Dozens of police officers arrived in the area.Armed SWAT officers were filmed.
Read more on dailystar.co.uk