Multiple sources inside the meeting contacted the JC to confirm that the intimidating atmosphere.
Local MP Nadia Whittome, previously a staunch supporter of Mr Corbyn, also intervened twice to condemn the decision to allow the motion to be heard.
Ms Regan, who is an active supporter of the Jewish Voice For Labour (JVL) group, wrote on Facebook that her suspension had been lifted.
“I’m back” she wrote on May 26.
According to the Jewish News, two other local CLP sources confirmed they were told her suspension was dropped by Labour and that she had been elected to chair a forthcoming meeting.
It is understood that Nottingham East CLP has subsequently been contacted by Labour regional officers and told they cannot now stage meetings.
Commenting on Facebook post, Ms Regan, wrote: “Just to be clear threats won’t silence me.”
Her Facebook includes a shared article that claims peaceful coexistence between Israel and the Palestinians is a “myth”.
The Labour Party has been approached for comment
