From the ILS website:
The mission had proceeded nominally until the second burn of the Breeze M upper stage. The Breeze M suffered an anomaly that caused it to shut down early. In accordance with Proton emergency procedures, the spacecraft was then safely separated from the Breeze M upper stage.
The Complete Letter:
AMC-14 Letter to Customers
The mission had proceeded nominally until the second burn of the Breeze M upper stage. The Breeze M suffered an anomaly that caused it to shut down early. In accordance with Proton emergency procedures, the spacecraft was then safely separated from the Breeze M upper stage.
The Complete Letter:
AMC-14 Letter to Customers