Action-cam maker GoPro announced a recall of its new Karma drone after the company discovered that a small number of units lost power during operation. GoPro indicated that it is investigating the issue, but stresses that even if your Karma drone appears to operating normally you should cease using it immediately.
The $799 Karma, GoPro’s first drone, just became available on October 23. The company reports that approximately 2,500 units have been sold to date, and that it plans to resume shipment of the product as soon as the issue is resolved. If you own a Karma and need more information on the recall you can find FAQ and return instructions here.
Press release:

GoPro Announces Karma Recall and Refund Program

SAN MATEO, Calif., Nov. 8, 2016 /PRNewswire/ -- GoPro Inc. today announced the recall of the approximately 2500 Karma drones purchased by consumers since October 23. The recall was announced after GoPro discovered that in a very small number of cases, Karma units lost power during operation. No related injuries or property damage have been reported.

Owners of Karma can return their units to GoPro, or their place of purchase, for a full refund. Replacement units are not being offered. GoPro plans to resume shipment of Karma as soon as the issue is resolved.

To participate in the recall, visit GoPro's webpage at:

"Safety is our top priority," said GoPro Founder and CEO Nicholas Woodman. "A very small number of Karma owners have reported incidents of power failure during operation. We have moved quickly to recall all units of Karma and provide a full refund while we investigate the issue. We are working in close coordination with both the U.S. Consumer Product Safety Commission and Federal Aviation Administration. We are very sorry to have inconvenienced our customers and we are taking every step to make the return and refund process as easy as possible."