Frenchman Dives In

The actual headline reads...

High-speed train toilet attempts to eat Frenchman

And the subtitle reads...

Arm trapped in satanic sucking dunny.

The story is short, a Frenchman dropped something called a mobe into the toilet and when he reached in to retrieve a mobe, the man managed to get his arm stuck.
I picture the little man wearing a black beret, horizontally stripped jersey without a collar, and having a skinny mustache, one arm stuck in the head and the other waving an impromptu flag of white toilet paper in embarrassed surrender.
On a cultural aside, it seems the Brits have many names for the toilet.
With a little research it I've found that a mobe is slang for mobile phone, or in our culture, a cell phone.
Hang around you'll learn a lot, if you don't know very much.