Husrev Pasha seized the Grand Vizierate by snatching the imperial seals at Mahmud’s funeral

Evidence

However, instead of finding himself being invited to Istanbul to accept these terms graciously, he discovered to his greatest dismay that his old enemy, Husrev Pasha, had literally seized power in Istanbul: during Mahmud’s funeral he had snatched the imperial seals and appointed himself as Grand Vizier. — Khaled Fahmy, All the Pasha_s Men_ Mehmed Ali, his…, 1559

Categorization

• XREF: Husrev is the recurring rival of Mehmed Ali whose wars Mehmed Ali’s army was raised to fight; his seizure ties to the earlier rivalry thread.