The population of 20, 000 doubled overnight when residents of the neighboring camp, Nahr al-Bared - under siege by the Lebanese army - fled their homes and moved in here.
Last year, a large number of heavily armed men surfaced at Nahr al-Bared, a Palestinian refugee camp on the edge of Tripoli in northern Lebanon, and took over bases belonging to a Syrian-backed Palestinian faction.
The references to Hamas and Nahr al-Bared reflect the Jordanian authorities' long-standing anxiety about being drawn into wider regional conflicts, a risk that is particularly acute in light of the large proportion of the population that is of Palestinian origin.
He went so far as to claim that some elements in the Brotherhood were seeking to drag Jordan into a situation similar to that in Nahr al-Bared, a Palestinian refugee camp in north Lebanon where the Lebanese army has been battling with heavily armed Islamist infiltrators for more than two months.