Conversation so far:
What reactions does the article mean?
News of Irwin's death prompted reactions around the world.
How did people react?
Then-Prime Minister John Howard expressed "shock and distress" at the death, saying that "Australia has lost a wonderful and colourful son..
Did John Howard participate in any memorial services?
CANNOTANSWER.

Question: How did fans react?
Self-contained rewrite: How did fans react to news of Steve Irwin's death?