article_snippet.sent: Khalid Batarfi is among Al-Qaeda in the Arabian Peninsula's  top regional commanders, known for member of Al-Qaeda leading role in a 2011-2012 battle with government troops during which extremists seized large parts of the south and east.
article_snippet.sent: Elsewhere, the advance by Iran-backed rebels into Aden, the last bastion of Hadi supporters came despite a week of Saudi-led air strikes.
article_snippet.sent: A senior security official who witnessed the advance by Iran-backed rebels into Aden said: 'Dozens of Houthi militia and Dozens of Houthi allies arrived in armoured troop carriers and entered Al-Maashiq presidential palace'.
article_snippet.sent: A defence ministry official in Aden later confirmed the fall of Al-Maashiq presidential palace, saying the fall of the palace was now controlled by forces loyal to former president Ali Abdullah Saleh, which have allied with the Huthis.
highlights_snippet.sent: Security officials later confirmed fall of the palace .