A man was allegedly knifed in the stomach following an incident in a residential street.
The 24-year-old man was allegedly attacked at a flat on Eldon Street in the Plungington area of Preston, in the early hours of Monday.
Detectives from Preston CID were called to the scene after reports a man had been stabbed.
It is understood the victim was treated in hospital for a punctured diaphragm.
A man and a youth have been charged in connection with the offences, and have now appeared before magistrates.
Nathan Porteous, 18, of Eldon Street, Plungington, and 15 year-old, who cannot be named for legal reasons, are accused of grievous bodily harm.
Both were remanded in custody until their next appearance which will be on a date to be arranged by the courts.