Hamza said he had spoken on behalf of the Aden-Abyan Islamic Army
but played no part in the group's 1998 kidnapping in Yemen during which four hostages were killed.
Abdulnabi was a leading member of the Aden-Abyan Islamic army
, an armed group which was active in the south before it went into oblivion a few years ago.
Ahmar is married to the sister of Tareq al-Fadhli, one of the Yemeni veterans of the war in Afghanistan and former head of the Aden-Abyan Islamic Army
Hamza is accused of providing a satellite phone to the group responsible and of conspiring with Abu Hassan, the leader of the Aden-Abyan Islamic Army
, who was executed for his role in the kidnappings.
Maths lecturer Dr Peter Rowe, 60, was shot in the back after being taken hostage by members of the Aden-Abyan Islamic Army
while on holiday in the Yemen in 1998.
On tour in Yemen in December of 1998, the author's group was kidnapped by the Al Qaeda affiliated Aden-Abyan Islamic Army
, experiencing a shootout between her captors and Yemeni troops and later escaping into the desert.
The wanted militants were reported to belong to group calling itself the Aden-Abyan Islamic Army
, a branch of the Islamic Jihad movement.
A group called the Aden-Abyan Islamic Army
claimed responsibility for the blast.
According to Asharq al-Awsat, the Aden-Abyan Islamic Army
, a militant group accused of carrying out several bombings and kidnappings of foreigners in Yemen, said it carried out the bombing of the tanker to avenge the execution of one of its leaders, Zein al-Abidine al-Mihdar.
Zein Al-Abidine al-Mihdar, head of the Aden-Abyan Islamic Army
, has said his followers would exact revenge if he was executed.