The Pakistani army arrested five suspects on charges of facilitating a deadly militant attack on a university that killed 21, mostly students, in the country's northwest, an official said Saturday. Militants stormed Bacha Khan University in Charsadda on Jan. 20, killing students and teachers, and triggering a gunbattle that lasted for hours, AP reported. The five suspects allegedly provided the attackers with shelter, transport and weapons, said military spokesman Lt. Gen Asim Salim Bajwa.