Tensions have flared between Somali workers and officials at a Colorado meatpacking plant [Swift & Co. (part of JBS)] over when employees can break for prayer during the Muslim observance of Ramadan... The conflict in Greeley began Sept. 5, when about 220 workers, according to Swift estimates, walked out during the evening shift, blaming the company's refusal to allow their breaks to coincide with sunset so they could pray... Swift spokeswoman Tamara Smid said 101 workers were fired, but United Food and Commercial Workers Local 7 spokesman Manny Gonzales said the number was as high as 150, based on what workers told union officials... Swift spokeswoman Tamara Smid...said Swift had changed the timing of workers' lunch schedules by more than an hour to accommodate them... She said workers who were suspended for walking out of work on Sept. 5 were told that if they didn't return to work on Wednesday they would be fired. . [refers to accommodations for Ramadan prayers at Tyson Foods, Gold'n Plump Poultry plants]