TikTok challenge gone wrong caused South Shore fire, blast that critically injured baby, 2 others, police say

A TikTok challenge gone wrong caused a South Shore apartment fire and explosion that left a 1-year-old boy clinging to life, with burns covering more than 60 percent of his body Saturday evening, according to Chicago police. Two adults, including a 29-year-old man who suffered burns and was in critical condition, were also injured. The fire and explosion erupted around 6:35 p.m. Saturday in the 6800 block of South Merrill Street after the baby's cousin placed rubbing alcohol inside of a…