(Reuters) - Online gambling firm 888 Holdings (888.L) stepped up a billion pound battle for Bwin.party Digital Entertainment (BPTY.L) on Tuesday, submitting a revised takeover proposal as it looks to see off rival interest from GVC Holdings (GVC.L).
Refer to the input text as context and select the correct relationship between '888 Holdings' and 'gambling' from the available options.
Options: founded by, chief executive officer, creator, industry