 In 2005 , the city of Chicago filed a negligence lawsuit against two of the survivors , William Fenton @-@ Hathaway and John Koranda . The city alleged that the balcony collapse occurred after defendants Fenton @-@ Hathaway and Koranda " intentionally and negligently " began jumping up and down on the porch . Koranda 's brother , Robert Koranda , was killed in the collapse . The charges against Fenton @-@ Hathaway and Koranda were later dropped . 
