en_tn/act/21/31.md

news came up to the chief captain of the guard

Here "news" refers to the messenger who went to speak the news. AT: "someone gave news to the chief captain of the guard" (See: rc://en/ta/man/translate/figs-metonymy)

news came up to the chief captain

The phrase "came up to" is used because the chief captain was in a fortress connected to the temple that was higher in elevation than the temple courtyard.

the chief captain

a Roman military officer or leader of about 600 soldiers

all Jerusalem was in an uproar

The word "Jerusalem" here represents the people of Jerusalem. The word "all" is an exaggeration to show a large crowd was upset. AT: "a lot of people in Jerusalem were in an uproar" (See: rc://en/ta/man/translate/figs-hyperbole and rc://en/ta/man/translate/figs-metonymy)