Interrupting

To disturb or halt (an ongoing process or action, or the person performing it) by interfering suddenly.

"A maverick politician repeatedly interrupted the debate by shouting."

To divide; to separate; to break the monotony of.

"The evenness of the road was not interrupted by a single hill."

To assert to (a computer) that an exceptional condition must be handled.

"The packet receiver circuit interrupted the microprocessor."