Ezra 10:10

10 Then Ezra the priest stood up and said to them, "You have trespassed and married foreign women, and so increased the guilt of Israel.

Ezra 10:10 In-Context

8 and that if any did not come within three days, by order of the officials and the elders all their property should be forfeited, and they themselves banned from the congregation of the exiles.
9 Then all the people of Judah and Benjamin assembled at Jerusalem within the three days; it was the ninth month, on the twentieth day of the month. All the people sat in the open square before the house of God, trembling because of this matter and because of the heavy rain.
10 Then Ezra the priest stood up and said to them, "You have trespassed and married foreign women, and so increased the guilt of Israel.
11 Now make confession to the Lord the God of your ancestors, and do his will; separate yourselves from the peoples of the land and from the foreign wives."
12 Then all the assembly answered with a loud voice, "It is so; we must do as you have said.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.