Updated 5:49 p.m.
The Associated Press reports that the bill has cleared the Senate committee and will head to the full Senate for a vote.
It is not clear when that vote will take place.
Updated 4:51 p.m. with information on start of hearing. Will be updated.
A Senate committee has started considering a landmark bill that could make Illinois the 10th state in the nation to legalize same-sex marriage.
Hundreds of people have submitted comments for and against the measure.
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