A siege is a prolonged military assault and blockade[?] on a city or fortress[?] with the intent of conquering by force or attrition[?].
Sieges usually involve surrounding the target and blocking the provision of supplies.
... 225.9/km² (584.8/mi²). There are 3,878 housing units at an average density of 177.0/km² (458.2/mi²). The racial makeup of the town is 89.82% White, ...