Police are appealing for witnesses after an arsonist targeted a block of flats in Kensal Green.
Detectives sent out a tweet this week following the fire attack at 667 Harrow Road in the early hours of February 16.
Anyone with information should call 101 quoting Reference number 1903928/16 or Crimestoppers anonymously on 0800 555 111.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here