Acts 11:2

So when Peter came up to Jerusalem, the circumcision party fell foul of him.

Acts 10:45

Now the Jewish believers who had accompanied Peter were amazed that the gift of the holy Spirit had actually been poured out on the Gentiles ??46 for they heard them speak with 'tongues' and magnify God. At this Peter asked,

Acts 10:9

Next day they were still on the road and not far from the town, when Peter went up to the roof of the house about noon to pray.

Acts 15:1

But certain individuals came down from Jerusalem and taught the brothers that "unless you get circumcised after the custom of Moses you cannot be saved."

Acts 15:5

But some of the believers who belonged to the Pharisaic party got up and said, "Gentiles must be circumcised and told to observe the law of Moses."

Acts 21:20-23

They glorified God when they heard it. Then they said to him, "Brother, you see how many thousands of believers there are among the Jews, all of them ardent upholders of the Law.

Galatians 2:12-14

Before certain emissaries of James arrived, he ate along with the Gentile Christians; but when they arrived, he began to draw back and hold aloof, because he was afraid of the circumcision party.

Treasury of Scripture Knowledge

Summary

And when Peter was come up to Jerusalem, they that were of the circumcision contended with him,

Bible References

They

Acts 10:9
Next day they were still on the road and not far from the town, when Peter went up to the roof of the house about noon to pray.
Acts 15:1
But certain individuals came down from Jerusalem and taught the brothers that "unless you get circumcised after the custom of Moses you cannot be saved."
Acts 21:20
They glorified God when they heard it. Then they said to him, "Brother, you see how many thousands of believers there are among the Jews, all of them ardent upholders of the Law.
Galatians 2:12
Before certain emissaries of James arrived, he ate along with the Gentile Christians; but when they arrived, he began to draw back and hold aloof, because he was afraid of the circumcision party.