Video footage showed NewsnightNicholas Watt’s political editor is chased by protesters outside Downing Street on Monday afternoon.
Metropolitan Police said an investigation was opened after officers reviewing the recording “identified a number of possible offenses.”
Martin Hockridge, 57, from Harpenden, was questioned on bail on Tuesday at a Hertfordshire police station.
He was then charged with breach of public order and will appear in Westminster Magistrates’ Court on June 29.
Detectives are appealing for the public’s help in identifying other people involved in the incident.
Police said in a statement: “Officers investigating an incident in which a reporter was confronted and pursued in the vicinity of Whitehall have charged a man.
“A video widely shared on social media shows a group of protesters chasing the reporter first in Whitehall and then in Richmond Terrace on the afternoon of Monday, June 14.
“After reviewing the video footage, officers identified a number of possible violations and an investigation was initiated.
“On Tuesday afternoon Martin Hockridge, 57, of Harpenden, was questioned on bail at a Hertfordshire police station.
“Later that evening, he was charged with an offense under section 4A of the Public Order Act, namely using threatening, abusive or insulting words or behavior towards another person in the intention of causing him harassment, alarm or distress. “
Anyone with information should call 101 or tweet @MetCC.
To give information anonymously, call the independent charity Crimestoppers on 0800 555 111.