A silver vehicle outside the embassy was the subject of a forensic officer's investigation on Saturday afternoon.
Footage showed armed police surround the vehicle before smashing the driver's window and using a Taser on the screaming suspect.
Police said a "standard procedure" investigation is now ongoing into the discharge of a police firearm during the incident.
Adding: "I would like to pay tribute to the officers involved in this incident who responded this morning and put themselves in harm's way as they do every day to keep the people of London safe". The Director of Professional Standards has been notified of the incident.
3 killed after small plane collides with helicopter in Nepal
Hundreds of foreign climbers head to Mount Everest in April during the commercial expedition season, which lasts until May. The airfield is notorious for its short runway and perilous approach, sitting at an elevation of over 2,800 meters.
Nexus 6P Class Action Lawsuit Give Users $400
If we talk about the previous case, LG had to pay $425 per user regarding the same class action issue on their premium devices. If you are one of those who purchased a Nexus 6P on September 25, 2015, or at a later date, are eligible for a reimbursement.
Chevron to acquire Anadarko for $33bln
The company has a market cap of $23.38 billion, a PE ratio of 27.34, a P/E/G ratio of 2.33 and a beta of 1.55. Societe Generale downgraded Anadarko Petroleum from a "buy" rating to a "hold" rating in a report on Friday.
2 children dead as severe storms pummel South
The weather service said preliminary information showed an EF-3 tornado touched down with winds of 140 miles per hour (225.3 kph). Robertson County Texas Sheriff Gerald Yezak said a suspected tornado hit Franklin, a small city about 125 miles south of Dallas.
Pope kisses feet of South Sudan leaders
A peace signed between President Salva Kiir and his former deputy Riek Machar last September could end this. They however signed a peace agreement previous year that brought the war to an end.