"The hospital received one body and 87 injured people with varying degrees of severity", said Fadia Al-Barghathi, the information officer of Al-Jalaa Hospital in Benghazi.
One person was killed and 37 wounded by a twin bombing inside a mosque in the eastern Libyan city of Benghazi on Friday, medics said.
Medical officials said the first blast on January 23, Tuesday evening hit worshippers leaving a mosque in Benghazi's central Al Salmani district. A previous hospital bulletin spoke of 62 wounded.
There was no claim of responsibility for that attack, which underscored the ongoing chaos in the Benghazi region, which is controlled by the forces of military strongman Khalifa Haftar.
The United Nations Support Mission in Libya (UNSMIL) was quick to condemn the attack, calling reports of civilian casualties "deeply disturbing".
"The explosion was carried out by explosives bags placed inside the mosque", Zwai added, noting that "the bombing was carried out remotely, according to preliminary investigations".
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Fears over potential reprisals are heightened by the reported summary execution of around 10 militant prisoners by a commander loyal to Haftar following last month's bombings.
Libya has been wracked by violence and divisions since dictator Muammar Qaddafi was toppled and killed in a 2011 NATO-backed uprising.
Haftar does not recognize the UN-backed government based in the western capital Tripoli.
The casualties were caused by two suspected improvised explosive devices which went off at the Saad Ben Obadah mosque during Friday prayers.
The LNA was battling extremists, including some linked to ISIS and al Qaeda, as well as other opponents until late a year ago in the Mediterranean port city.