Yemen

Islamic State and al-Qaida's radically different interpretations of Islam determine their divergent military strategies

Civil conflict, aerial bombings and the coalition blockade are taking a heavy toll on the population

The Yemeni branch's setbacks will reduce the global movement's ability to plan and execute attacks on the West

Saudi's overtures to Eritrea seek to bolster its Yemen campaign, but threaten to upset relations in the Horn of Africa

The Huthis fired a Scud missile into Saudi Arabia shortly after agreeing to UN-brokered peace talks

While small by regional standards, Yemen's oil and gas resources are highly significant for its economy

Riyadh's campaign against Yemen's Huthi rebels has stoked sectarian tensions against the kingdom's own Shia minority

Although the conflict is in stalemate, neither the Saudi-led coalition nor the Huthis are ready to stop fighting