16 April 2020 :

A Yemeni man, who was on a death row for carrying out a terrorist attack on artists performing on stage during Riyadh Season Festival, has been executed, Saudi Press Agency reported on 16 April 2020 citing a statement from the Ministry of Interior.
The attacker Imad Abdulqawi Al-Mansuri launched ran onto the stage and stabbed members of the troupe and a security guard, causing fear and chaos in the audience.
Al-Mansuri was swiftly arrested by the security officials and his interrogation during the custody revealed that he was instructed to carry out the attack by an Al-Qaeda leader in Yemen, the statement said.
The terrorist attack during the festival was first of such incident since Saudi Arabia threw open its doors for entertainment and recreational activities.
According the ministry’s statement, the execution was carried out in Riyadh.