User blog comment:Xilinoc/Ch. 581 - THE HERO 2/@comment-11293956-20140522002651/@comment-11051098-20140525171935

You mean the 12th Division, I assume?

The cellphone Kisuke gave Ichigo was connected to the SRDI, he could hear Akon's voice through it. The screams were probably the SRDI members when Pepe used Jidanbo to attack the SRDI.