Marvin Henry was shot in the chest
A fourth man has been remanded in custody over the fatal shooting of a 17-year-old boy on a north-west London estate.
Shervin Irvani, 19, from St Albans, in Hertfordshire, has been charged with murdering Marvin Henry in Mill Hill on 27 October.
He is due to appear at Thames Magistrates' Court later.
Marvin Henry, 17, known as Spooky, was shot in the chest during clashes among youths near Bray Road, Mill Hill.
Three young men from north London have already been charged with his murder.
Ithai McPhee, 21, from Abbots Road, Edgware, appeared at Enfield Magistrates' Court in north London on 1 November.
Rafik Hamaizia, 18, from North Hill, appeared at Thames Magistrates' Court in east London on 2 November.
Rory Faley, 21, from Finchley, appeared at Brent Magistrates' Court in north-west London on 18 December.
All three were remanded in custody and are due to appear at the Old Bailey on 7 February.
Seven boys aged between 14 and 17, three 18-year-old men and a 21-year-old woman were arrested in connection with the investigation on 27 October.
All were later released without charge, although two 17-year-old boys were given police bail.
