A teenager has been charged with the murder of a 15-year-old cyclist who was stabbed to death in a street attack . Alan Cartwright was attacked as he rode along the Caledonian Road in Islington , north London with friends last Friday night . Police have since charged Joshua Williams with murder and conspiracy to rob and the 18-year-old , of north London , will appear at Highbury Corner Magistrates ' court tomorrow . A teenager has been charged with the murder of 15-year-old cyclist Alan Cartwright ( pictured ) who was stabbed to death in a street attack . The teenager has been described as a someone who 'would n't hurt a fly ' and well-known in the area in north London . An 18-year-old man remains in custody and a 17-year-old boy and a 21-year-old man - both arrested in relation to the incident - have been bailed . Alan , a pupil at Holloway High School , was wearing a blue body warmer and grey jumper at the front of his group of friends moments before he was attacked at about 7.30pm . The teenager was declared dead at the scene on the Caledonian Road . Just days ago Alan 's mother Michelle made an emotional appeal for information about her son 's death . Alan ’ s mother and sister described the Army cadet and Celtic and Arsenal fan as a 'joker ' who loved bikes and never caused any trouble . The teenager was declared dead at the scene on the Caledonian Road in North London . Alan 's mother Michelle Watson , left and his sister Cherrie Smith , right , appealed for witnesses to speak out . Alan Cartwright , pictured , was stabbed as he cycled along Caledonian Road on Friday and died in hospital . Fighting back tears , Alan ’ s mother Michelle Watson , 39 , said : 'He always made you laugh about anything and everything . He was just the funny one out of his friends . ' She had earlier led an emotional tribute to her son on Facebook writing : 'Our baby boy xxxxxxx xxxxxxx x xxxxxxx RIP we love you always . ' After his death , friends took to Twitter to pay tribute to Alan , known by the nickname Little Al . The teenager ’ s sister , Cherrie Smith , 21 , broke down when she spoke of him not being there when she gets married . She had organised a candlelit vigil for her brother on Saturday night , near to the spot where he died . Sorry we are not currently accepting comments on this article .
Joshua Williams , 18 , has been charged with the murder of Alan Cartwright . Williams , of north London , has also been charged with conspiracy to rob . The two men were arrested in a raid on an address near Clapham Junction railway station at around 2am yesterday morning and taken into custody by officers from Scotland Yard's Homicide & Major Crime Command. A 17-year-old boy and a 21-year-old man have been bailed , detectives say . Alan was attacked on Caledonian Road in north London last Friday night .