Later Opposition Under Xerxes and Artaxerxes

6 At the beginning of the reign of Xerxes,a they lodged an accusation against the people of Judah and Jerusalem.

Read Ezra 4:6 Using Other Translations

And in the reign of Ahasuerus, in the beginning of his reign, wrote they unto him an accusation against the inhabitants of Judah and Jerusalem.
And in the reign of Ahasuerus, in the beginning of his reign, they wrote an accusation against the inhabitants of Judah and Jerusalem.
Years later when Xerxes began his reign, the enemies of Judah wrote a letter of accusation against the people of Judah and Jerusalem.