US
Strikes targeted reinforcements sent by the Houthis from the rebel-held capital Sanaa
The US targeted Taliban and IS militants with 751 bombs and missiles in September this year
Incidents verified by the UN include seven air strikes that hit a prison in the Shaub district of Sanaa
Three further strikes damaged two other prison buildings and the perimeter wall
Tensions have soared in the capital following the killing of ex-president Ali Abdullah Saleh
Experts are warning of the possibility of Americans alienating the local population with their new strategy
Spokesperson for Afghan commandos disputes claims, says that the strikes killed 25 Taliban insurgents
The air blitz targeted three militant hideouts in Nangarhar province
Four children were among the dead in the overnight strikes
Russia's defence ministry says it is attacking hard-line militants