Air activity above the Netherlands

Here some news from the famous http://www.scramble.nl

today
J-058 QRA F-16AM 313SQN SONIC BOOM AM 53
J-628 QRA F-16AM 313SQN SONIC BOOM AM 26
These were two F-16’s that scrambled out of Twenthe AB to intercept an airliner that failed to response to radio-calls.

yesterday
Around 17:00 yesterday there was a other airliner (?) escorted by two fighters above Hertogenbosch (very high in the sky). Was this also a scramble or a excersis?