[Vocabulary] Throw sth in sb vs throw sth at sb vs throw sth against sb

[ChessEnthusiast]

What's worse, the rebels threw petrol bombs in/at/against the police.

Which one suits this sentence best?

 

[krisfromgermany]

(not a teacher)
"At" is definitely correct here, the other options probably are not. Let's wait what the experts say.
"Against" could be used in a sentence like "They protested against the police."

 

[GoesStation]

Only at works there.