But when the Jews saw the large crowds [gathered to hear the Gospel] they became very jealous and took sharp issue with the things Paul said, and [even] spoke against them.

After Paul and Barnabas had a heated debate and argued with these men [over this issue], the brothers [of the Antioch church] decided that Paul and Barnabas, along with certain others, should go up to Jerusalem and discuss the question with the apostles and elders there.