The in-game message of the day has updated for the March 25th Item Shop reset. Included was an announcement of a new LTM, The Floor Is Lava!
Epic Games has released a promotional image and description of the new The Floor Is Lava Limited Time Mode which will be coming soon to Fortnite.
As the title including and the image shows, the entire ground-level of the Fortnite Battle Royale map has turned into lava. The goal of the LTM is to stay off the ground and of course, the last team standing.
The Floor Is Lava LTM
Get to high ground or build above the lava that's overtaking the island.  It is not known if this was a submission for the Fortnite Creative LTM Contest, which was announced on Thursday, March 21st. It's probably this was an original creation by Epic Games due to the amount of time between the announcement and the complexities involved.
Epic Games appears to have been released The Floor Is Lava in February of 2018 in the Fortnite Battle Royale v4 blog post
A release date for The Floor Is Lava has not been announced at the time of writing. It is expected to release in the v8.20 update next week
What is your thoughts on and LTM based which revolves around staying off the ground, as The Floor Is Lava includes?
Stay tuned to @FortniteINTEL / FortniteINTEL.com for full coverage and to be notified when The Floor Is Lava releases!