(June 13, 2022, 2:04 PM EDT) -- SPRINGFIELD, Ill. — An Illinois appeals panel on June 9 held that a commercial general liability insurer has a duty to defend and indemnify a construction site general contractor and steel fabricator as additional insureds for an underlying negligence lawsuit arising from a steel worker injury, affirming a lower court ruling that the policy’s additional insured provision merely required a written agreement to add a third party as an additional insured....