At least 10 people, including a police officer, were shot dead in a shootout at a supermarket in the Boulder area of the US’ Colorado on Monday.  According to police, one suspect has been arrested and further details will be disclosed in a few days after investigation.

Also Read: ‘He said nothing before raising the gun’: Eyewitnesses on Colorado shooter

From ten fatalities, increased anger on US’ contentious ‘gun control policy’ to Twitterati hinting at racial bias, here is what we know so far about the Boulder shooting.

1- A gunman, clad in black, opened fire at around 2:30 pm (US time) in King Soopers grocery store in Boulder, Colorado and killed at least 10 people including a US police official.

2- Later, Boulder police Chief Maris Herold identified the deceased police officer as 51-year-old Eric Talley, who has been serving in US police from the last 10 years.

Also Read: Who was Eric Talley? The police officer killed in Boulder shooting

3- Authorities arrested a suspect and refused to disclose the identity of the suspect until the investigation concludes.

4- A social media backlash campaign was started raising apprehension and alleging leniency by police in the handling of the suspect and if racial bias is involved as the shooter was white.

4- According to Reuters, a shirtless, bearded man in boxer shorts was seen handcuffed and being taken out of the store.

Also Read: 2 sisters hide in coat closet for an hour, survive Boulder shooting

5- The reason and motivation of the shootout is still clear but the spot has been sealed for further investigation.

6- Boulder police department said that a suspect has been charged with 10 counts of first-degree murder.

This is the fourth fatal shooting incident in the US this year. On March 20, five people were killed in shooting incidents in Houston and one in Dallas.