WASHINGTON, May 6 (Reuters) - Amazon.com's ( AMZN )

self-driving unit Zoox agreed to recall 270 driverless vehicles

after an unoccupied robotaxi was involved in an April 8 crash

with a passenger car in Las Vegas.

Zoox said there were no injuries in the crash involving a

Zoox robotaxi and a passenger vehicle. Zoox paused operations

for several days pending a safety review of the incident and

developed a software update to address the issue.