to follow someone or something, usually to try to catch him, her, or it: The car was pursued by helicopters.

What is a pursuing mean?

transitive verb. 1 : to follow in order to overtake, capture, kill, or defeat. 2 : to find or employ measures to obtain or accomplish : seek pursue a goal.

What does pursuing mean here?

to follow in order to overtake, capture, kill, etc.; chase. to follow close upon; go with; attend: Bad luck pursued him. to strive to gain; seek to attain or accomplish (an end, object, purpose, etc.).