- Pentagon releases footage from surveillance drone that crashed over Black Sea.
- Video shows Russian fighter jets passing close to drone and dumping fuel on it.
- US military says one fighter jet collided with drone, which then crashed.
- Russia denies downing drone, says it lost control due to sharp manoeuvre.
- Incident raises tensions between US and Russia.
US releases footage from drone intercepted by Russia over Black Sea
US releases footage of drone intercepted by Russian fighter jets over Black Sea, escalating tensions between US and Russia amid dispute over incident.