In a negligence action to recover damages for personal injuries, etc., the cross appeals are from an interlocutory judgment of the Supreme Court, Kings County, entered July 22, 1977, which, after a jury trial on the issue of liability only, was in favor of (1) Joseph Santangelo, Jr., against the City of New York and (2) the City of New York against Joseph Santangelo, Sr. Interlocutory judgment modified, on the law, by deleting the second decretal paragraph thereof. As so modified, interlocutory judgment affirmed and new trial granted as to the derivative cause of action of Joseph Santangelo, Sr., with costs to plaintiff to abide the event. Plaintiff Joseph Santangelo, Jr., was injured while attending an ice hockey clinic conducted by defendant the Greater New York City Ice Hockey League, Inc. (league). The clinic was held in a skating rink owned by defendant the City of New York. The city charged each participant an admission fee to enter the rink. The jury found that the injury resulted from an improperly supervised hockey drill. The city claims that it had no control over the ice hockey drill. A municipality, however, has the duty to provide general supervision to
