News as it happens from KATV's Angela Rachels on Twitter:
US Bank Robbery. Man jumps in AR River.
Man = suspect
Crews starting to launch @ Boat Ramp. Suspect just pulled out of AR River. Unknown if he is alive.
Photog on scene says suspect appears dead.
UPDATE: The robbery was of a branch near Park Plaza. A police chase ensued. The suspect stopped his car on Main Street bridge and jumped. His body floated downstream before it was recovered. Channel 4 indicates a roadblock prompted the suspect to stop his vehicle near the North Little Rock side of the bridge.