Here’s what we know:

Liberian-flagged VLCC #Mesdar loaded in March with 1.9mn bbls of Saudi crude.

It discharged in China in April and sat empty off Singapore. In early July, it left for the Arab Gulf.

At about 16:30 UTC, it made an turn north and is now in Iranian waters. pic.twitter.com/yrugM94riY

— ClipperData (@ClipperData) July 19, 2019