<p>An 18-year-old and 21-year-old were fatally shot and at least 10 others were injured in overnight shootings across Chicago, according to authorities.</p><p>Five teenagers were also injured in separate shootings. The violence, which started Saturday night and went into Sunday morning, adds to the five killed and dozens injured at <a class="Link" href="https://chicago.suntimes.com/news/2026/06/20/5-dead-19-hurt-in-weekend-shootings-including-12-wounded-in-mass-shooting" target="_blank" >the start of the Juneteenth holiday weekend</a>.</p><p>The 18-year-old man, Aniyhas Jackson, was inside an Austin home in the 4800 block of West Quincy Street when he was shot in the armpit around 10 p.m. Saturday, according to police and the Cook County medical examiner's office.