Two people were killed and 28 were wounded between midnight and 3 a.m., including at least 13 teenagers. However, anti-violence protesters recently shut down freeways in Chicago to voice their outrage.
Giuliani has been tweeting constantly about Chicago - a city that serves as Republicans' go-to talking point for their "black-on-black crime" narrative, as well as proof that gun control doesn't work - to help Garry McCarthy's mayoral run against Chicago Mayor Rahm Emanuel.
"As mayor, I will confront our city's gun violence crisis directly and with empathy rather than remain silent as more than 70 people are shot in a single weekend", she said. More from ABC11: Henderson march organizers urge end to city violenceThe most recent shooting took place near the 2600 block of South State Street just before 8 p.m.
"63 murders this weekend in Rahm Emmanuel's Chicago". This year, there have been at least 300 homicides in the city.
The shootings, stretching over a 60-hour period from Friday evening until early Monday morning, come as the city officials have expressed optimism that Chicago had made headway in cutting the persistent gun violence that has plagued the city.
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He said that gang members tend to shoot into summer crowds of people at night.
A violent weekend in Chicago left 12 people dead and dozens more wounded, police said.
"What we saw this weekend, it just it rips at everything that I believe in because I know, as a city and as a neighborhood. we can do better", Johnson said.
Image: Four teenage girls were among eight people shot in one incident.
Access to Stroger Hospital was tightened. Police said they've been working around the clock this weekend and that the department has seen a citywide reduction in shootings by 17 percent this year. "Wednesday we announced a number of businesses that are going to be part of the neighborhood opportunity fund that create the most important part of our neighborhood economy", Emanuel said. While we shouldn't condone the use of tactics which close down infrastructure in the name of free speech, it's clear that the residents of the city have plenty to be upset about.
It was created to help curb the flow of illegal guns and to target repeat gun offenders, who authorities say are responsible for the city's violence problem.