Five people were injured and a citizen trying to stop a robbery gone awry was killed at a Texas mall.

Shots fired were reported around 3:30 p.m. Sunday at the Rolling Oaks Mall in San Antonio.

"What we have here is a robbery that went, really, really bad," San Antonio police Chief William McManus said.

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The robbers tried holding up a Kay Jewelers when two citizens tried to intervene, McManus said. One of the citizens was shot by one of the robbers. The other, who had a concealed weapons license, shot the robber. The second robber ran through the mall in a different direction.

Investigators are still looking for the second individual.

"It's absolutely senseless," McManus said. "This is the second time that a good Samaritan was killed trying to intervene in a crime to help the victim. It's absolutely senseless."

This is a developing story. Check back for updates.