He said Emanuel should begin working with Trump to fix the crime problem, adding that "as long as we are divided and fighting against the president, [improvement] is not going to happen".
Johnson said the police department can not reduce shootings without help from residents identifying the shooters, many of whom are repeat offenders.
During one early morning period of more than two hours, 25 people were shot in five mass shootings, police told the Chicago Tribune. The shooting occurred in the 4300-block of South Wentworth Avenue at about 2:26 a.m. "You could just feel the grief", said Eric Russell, a community activist who visited them.
South Sudan’s warring leaders sign peace deal to share power
President Kiir also said the remaining outstanding issues will be finalized with his rivals as soon as he arrives in Khartoum. A similar arrangement fell apart in July 2016 when fighting erupted in the capital, Juba, and Machar fled the country.
But the weekend's grim violence underscored that while the city has witnessed a positive trend, several neighborhoods remain volatile. I never hear people saying 'These individuals out here in the streets need to stop pulling the trigger.' ... From Friday at 6 p.m. through Sunday at midnight, 66 people were shot, 12 of whom died. "They get a pass from everybody, and they shouldn't'". CPD representatives said Sunday that they plan to focus their resources for the evening on neighborhoods where retaliation seems likely.
For many right-wingers, Chicago has become a symbol of Democratic hypocrisy on gun reform, since the city is run by a Democratic mayor, Rahm Emanuel, and is home to a famous liberal party machine.
The gun violence has been the subject of two high-profile protests this summer, as demonstrators temporarily blocked major expressways to demand more economic investment and job opportunities in poor communities.
Last week, dozens of protesters temporarily shut down the Windy City's iconic Lake Shore Drive to express their outrage over Chicago's endemic gun violence and call for Emanuel's resignation of the city's mayor.
Johnson said that both murders and shootings are down on the year, but said this weekend showed there was still a lot to do.
He also said more than 5,500 illegal guns had been confiscated from the city's streets.