Hello, this is my first post on this forum and not a good one at that. This morning I took my mavic pro out and all seemed normal. I discharged the battery to 60% by flying for a flight I had this evening. About an hour after taking off I went to retrieve an item from my bag and realized my bag was extremely hot inside. I opened up the case my mavic was in and pulled it out of its bag and was imediatley burned by the metal on motor surrounds. I freaked out and pulled the battery out immediately and the battery was extremely swollen and easily over 350 degrees. I ended up burning my hand rushing the battery over to a flight attendant who had to alert the captain and get an explosion proof bag which I believe they called a PED. The battery was drenched and put into an explosion proof bag freaking out pretty much everyone around us on the flight. The battery was easily two minutes away from exploding and the flight attendants were extremely thankful that I had noticed otherwise the outcome would not have been as great. Before the flight the battery was completely fine, the drone did not turn on in my bag and nothing was out of the ordinary untill the incident. Their was no signs of swelling prior to the incident. The battery was confiscated thankfully so sadly I have no pictures of the battery. Can someone please advice what my next step would be in taking this case to DJI especially since I have no pictures of the incident. Best regards, Chris.