UK police use force to arrest crying 5-year-old boy

In the UK, police used force to arrest a crying 5-year-old boy. Officers forcibly took the child from his father's arms. The boy tried to run away but was caught and placed into a police vehicle. Force was also used against the father. One officer threatened the person filming, saying he would seize the phone and use pepper spray. The incident has sparked outrage on social media.