Yemen: Shia mosque suicide bombing kills at least 20.

                                     Medical staff feared the death toll has been rising, 

Yemen's capital Sanaa, according to medical staff in two suicide bombings at a Shiite mosque, at least 20 people were killed and several others injured.
According to eyewitnesses, a suicide bomber blew himself up when people were going out of the mosque after prayers, when people gathered to help the wounded when a car exploded in the second set.
Medical staff feared the death toll has been rising.
Islamic militant group on the social networking site Twitter has claimed responsibility for the attack.
However, in the north of Yemen, before the two aid workers were shot.
International Committee of the Red Cross said the two local aid workers were killed when they were in a convoy going to Sana'a.
The assumption being that when a gunman opened fire on his car as he administered the northern province of Saada were critical Houthi.