Quarrel leads to stabbing on North Side

A  man in his 20s was stabbed and seriously wounded late Wednesday during a quarrel on the North Side.
The man was attacked inside a single-residency occupancy building in the 4600 block of North Beacon Street in the Sheridan Park neighborhood just after 10 p.m..
During the argument, the attacker stabbed the victim in the chest and fled.
The victim, described only as a man in his 20s, was taken to Advocate Illinois Masonic Medical Center in critical condition