But the fact is that MS has been very careful not to use its undoubted power to practice any crude, obvious version of what is known in the trade as vertical foreclosure.
MS has not engaged in vertical foreclosure.
His first act was to ride to Haghia Sophia and order that it be converted into a mosque; on the following Friday, he attended the first Muslim prayers in what came to be called Ayasofya Camii (Mosque of Haghia Sophia).