...... behind the drivers seat...on the middle of the floor!!!!

WTF?!!?!?!?!?!? I know we had lots of rain over the last few weeks but FOOOKK, this was a puddle!!! and i have NO idea where it has come from!?!?!?!?

no marks on the ceiling, no others drips or nowt!!!

anyone have ANY ideas where it may have come from?