Sinkhole caused by mine collapse downstate swallows up soccer field: VIDEO WLS-TVSoccer field damaged in Alton collapse KSDK.comVideo: Giant Sinkhole Forms in Middle of Illinois Soccer Field After Mine Collapse Bleacher ReportPritzker releases statement after Illinois soccer field collapses into sinkhole FOX 32 ChicagoWatch: Sinkhole swallows Illinois football pitch BBC.com