God dealt with the owners of the elephant army who intended to destroy the Ka'bah by making their plot fail. He sent flocks of birds against them carrying stones made of baked clay to strike them with. God made the elephant army like empty fields with eaten stalks, defeating their plan.

3. 
1.''Alam tara kayfa fa-'ala Rabbuka bi-"as-habi al-fili Have
you (O Muhammad ‫وسلم‬ ‫عليه‬ ‫هللا‬ ‫صلى‬not seen how your Lord
dealt with the Owners of the Elephant? [The elephant army
which came from Yemen under the command of Abrahah
Al-Ashram intending to destroy the Ka'bah at Makkah].
 2.''Alam yaj-'al kaydahum fi tadlilin Did He not make their
plot go astray?
 3.Wa-''arsala 'alayhim tayran "ababila And sent against
them birds, in flocks,
 4.Tarmihim bi-hijaratinm min sijjilin Striking them with
stones of Sijjil (baked clay).
 5.Faja-'alahum ka'asfinm ma" kulin And He made them
like (an empty field of) stalks (of which the corn has been
eaten up by cattle).