Hassan Nasrallah, the leader of Lebanese terrorist group Hezbollah, said in a speech over the weekend that the investigator of the Beirut port blast was politically biased.
On Thursday, Beirut marked the one-year anniversary of the blast that flattened large swathes of the city and killed more than 200 people. A judge, Tarek Bittar, is leading the probe into what happened.
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"I am formally telling the family of the martyrs that this judicial investigator is playing politics, this is a politicized investigation," Nasrallah said.
He added he was not calling for Bitar's immediate removal but demanded that he operate under a single standard and release the results of a technical investigation.