New video includes a statement from the attacker who bombed a Coptic church in December
In Washington, Vian Dakhil also blasts the new U.S. policy on refugees
Somali-based terror group claims two of four men killed worked with the CIA
Communities call for government intervention in the conflict
Somali official says police have regained control of the building in Mogadishu
At least 50 civilians died in air strike meant for Boko Haram militants
Terror group Boko Haram has claimed responsibility for the explosions
Attempted bombings follow another foiled attack on Tuesday
UN building attack marks the second strike this week
Short clip shows unidentified man walking around popular Istanbul square
