Police were called to Walnut Street in the town at shortly before 4pm on Saturday (April 3) to a report of an assault.
A man in his 50s was taken to hospital with a number of stab injuries described as serious. His condition is stable.
After a number of enquiries, two men were arrested on suspicion of attempted murder.
Following consultation with the Crown Prosecution Service Mahtab Hanif, 22 and Ramzan Hanif, 24, both of Goldhey Street, Blackburn, have now been charged with Section 18 wounding. They are due to appear before Blackburn Magistrates’ Court
Detectives are continuing to appeal for anyone with information or anyone with mobile phone, dashcam or CCTV to come forward.
Anyone with information should contact police on 101 quoting log 1092 of April 3rd.
Alternatively contact independent charity Crimestoppers on 0800 555 111.