Fifty former workers from the LSG Sky Chef Kitchen at LaGuardia Airport are alleging a litany of labor violations that occurred while they were employed there, including sexual harassment and dangerous working conditions...a spokeswoman for LSG Sky Chefs [said]: "LSG Sky Chefs has not been contacted today by any of the individuals involved in this morning’s demonstration at LGA, nor do we have details on what the specific issues are...Until we know more about these issues, we can’t comment.”