Austin police arrested a second suspect in what they say was an armed robbery that happened Tuesday.

That second suspect, an 18-year-old man, was arrested at 8:10 a.m. Wednesday and placed in the Mower County jail. According to Police Chief Brian Krueger, the 18-year-old, along with a 17-year-old may have robbed another person at gunpoint to get an MP3 player. Krueger added the weapon used was a handgun. Police arrested the 17-year-old on Tuesday afternoon.

Krueger expects no more arrests in the case; however, it is still under investigation.