World facing multiple global security crises

The NATO summit in Wales is regarded as among the most important since the fall of the Berlin Wall, due to the unprecedented number of security crises unfolding around the wold

Arab Spring fallout: Escalating violence in Libya and continued instability in Egypt

Al-Qaeda in the Islamic Maghreb (AQIM): Sunni Muslim jihadist group operating out of Algeria and Mali. Frequent attacks on western targets

Boko Haram: Militant group funded and trained by AQIM, seeking to establish Islamist state in Nigeria

Disease: World losing battle to contain worst ever Ebola epidemic in Guinea, Sierra Leone and Liberia

Russian adventurism: Annexation of Crimea and military intervention in eastern Ukraine

Islamic State: U.S. deploying over 1,000 troops to Iraq to combat Islamist militants aiming to establish caliphate across much of Iraq and Syria

Shrinking coalition: Concerns over stability in Afghanistan as NATO combat mission nears end

Al-Shabaab: Jihadist group fighting government in Somalia

South China Sea: Ongoing territorial disputes between China, Taiwan, Indonesia, Japan, Malaysia, Brunei, Philippines and Vietnam

Source: Wire agencies