Police say 40 people were arrested in a law enforcement raid on a large illegal cockfighting operation in East Windsor on Saturday night. State Police spokesman Lieutenant Paul Vance said officers found 54 fighting birds at the scene, including four that were dead. He said more than 100 people were at the site, which had the same address as an auto sales shop. Officers seized more than $100,000 in gambling proceeds, along with a firearms, records, and ''implements of cockfighting.'' Vance said the 40 arrested were charged with animal cruelty and one was also charged with professional gambling. They were released on bond to appear in Enfield Superior Court. Arrests warrants will be sought for the other 58 people present. Agriculture agents took custody of the birds.