Akira tried to stop Sato from going in without the team, however, it was to no avail. Sato was simply blinded by the desire to safe someone as soon as possible, that he became deaf and unaware of his surroundings. After all, the team wasn't that far, and still, Sato was not able to hear the furious shouts of Akira.
"This idiot that's not even within the top five. Clearly, he can't sense the vile energy that lies within one of those buildings, even when he's that close already." Akira uttered, full of distaste for Sato's rashness.