ALBAWABA- Hamas has officially confirmed the death of Mohammed Deif, the chief of staff of its military wing, the Al-Qassam Brigades. In a statement, Al-Qassam spokesperson Abu Obeida mourned Deif’s "martyrdom," calling him a key figure in the group's military operations. Abu Obeida has also announced the deaths of several senior commanders of the Al-Qassam Brigades' Military Council along with Mohammed Deif, including Marwan Issa, Ghazi Abu Tama'a, Raed Thabet ...