A suicide car bomb attack on an army training camp in Yemen's second city of Aden killed at least 60 people on Monday, medical sources said.
A security official said the attacker drove his vehicle into a gathering of new recruits at the camp in northern Aden.
The assault killed 60 people and wounded 29 others, medical sources from the three hospitals where the victims were taken told AFP.
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"Security services are still evacuating the dead and wounded" from the site, the official said.
The port city, the temporary base of Yemen's Saudi-backed government, has seen a wave of bombings and shootings targeting officials and security forces.
Attacks in Aden are often claimed by jihadists from either Al-Qaeda or the Islamic State group, which have both taken advantage of the chaos in Yemen to make gains in southern and southeastern regions.
More than 6,600 people, mostly civilians, have been killed in Yemen since March 2015 and more than 80 per cent of the population has been left in need of humanitarian aid, according to the UN.