Which preposition to use with beleaguered

at Occurrences 2%

When, in the last campaign, he was beleaguered at Petersburg, and painfully aware of the straits to which we were reduced, he said: 'With my army in the mountains of Virginia, I could carry on this war for twenty years longer.'

in Occurrences 2%

It was, indeed, greatly because of his enlightenment that he and a handful of English officers and troops were beleaguered in the fortress.

by Occurrences 1%

Canea was so well beleaguered by land by the insurgents that we had scanty provision of produce at the best, nothing being obtainable from the territory beyond the Turkish outposts.

of Occurrences 1%

What shall he do that is beleaguered of all sides?

Which preposition to use with  beleaguered