Shooting in 1100 block of 21st Street

Here's what the alert says:

5D SHOOTING _ 2051HRS @ 1100 B/O 21ST ST NE LOF: 2 B/M"S S1 GREEN SHIRT S2 WHITE SHIRT BOTH LSW MASK AND ARMED W/A HANDGUN L/S IN THE 1100 B/O 21ST NE DO NOT TAKE ACTION CALL 911 W/EVENT #I20090419988


No further details at this point.