Story highlights Chicago has 701 homicides through November, compared to 480 for all of last year

90% of the killings are gun-related, Chicago police report

(CNN) Chicago has reached another bloody milestone.

There have been 701 homicides recorded so far this year in the city, the Chicago Police Department told CNN on Thursday.

There were 480 homicides in 2015.

It's the first time the city has recorded more than 700 homicides in nearly two decades, according to the Chicago Tribune. Chicago had 704 homicides in 1998, the Tribune reported , and is on a pace to easily break that mark.

Guns are driving the violence, with more than 90% of the 2016 homicides gun-related, said Anthony Guglielmi, head of communications for the Chicago Police Department.