American Airlines investigating puppy deaths

American Airlines wants to get out front of a tragedy involving some puppies.

The airline used its AAirwaves Twitter account to tweet today that it is investigating the deaths of seven puppies which took one of its flights yesterday.

Here's the tweet:

Seven puppies -- among 14 on board American Flight 851 Tuesday from Tulsa, Okla., to Chicago -- died, according to NBC Chicago. Five of the puppies were said to have died on board and two later,  the story says.

American also tweeted that teams are actively investigating to find out what happened.