British feared Mehmed Ali's expansion threatened Asian possessions. [causal]
British hostility to Mehmed Ali was caused by his military expansion that was seen in London and Bombay as threatening British possessions in Asia by giving the Russians a pretext to interfere at their expense in Istanbul.
Builds on: "Egyptian context explains the gap between plan and execution."
Khaled Fahmy, All the Pasha_s Men_ Mehmed…, loc. 1667