Shouting "Gas" in a Crowded Library -- or Whatever Is Equivalent to "Shouting" for Smell

It was a rotten durian, and "the waste will be dealt with by Environment Protection Authority officers."

That's the news from news.com.au (Caitlin Guilfoyle); the durian ("a tropical fruit known for its strong smell," which "is commonly banned from hotel rooms and public transport in southeast Asia") led to the library being evacuated, because some thought there was a gas leak.