(BALAKOT) — Tensions escalated sharply on the Asian subcontinent Tuesday with nuclear-armed neighbors Pakistan and India trading accusations and warnings after a pre-dawn airstrike by India that New Delhi said targeted a terrorist training camp. Pakistan said there were no casualties, while New Delhi called the attack a pre-emptive strike that hit a terrorist training camp and killed “a very large number” of militants. The airstrike followed a suicide bombing in India’s section of the disputed territory of Kashmir on Feb.