Complex sentence: Most in attendance found the gesture to be humorous, however, some officials were not amused, and it would be the first of a number of run-ins Hurtubise would have with USAC officials.
Split into simpler sentences: Most in attendance found the gesture to be humorous, however, some officials were not amused. It would be the first of several run-ins Hurtubise would have with USAC officials.