An Uber driver discovered a grenade in the back of his car, but NYPD was unable to arrive at the scene quickly enough because pro-Palestinian protesters were blocking the streets.
The message left by the suspicious package read "Ignore this like you do genocide. 28,000 and counting. Silence is complicity."
A Greek newspaper received a phone call by an unknown caller that a bomb had been planted at the ministry and had informed the police who cordoned off the area before the explosion.
The school was the site of protests in December after parents were asked to speak to their children about inappropriate comments made on school grounds relating to the Israel-Hamas war.
In recent days, law enforcement in Ohio and California have announced the arrest of alleged perpetrators of a high volume of swatting activity and false bomb threats.
Weiss mentioned that the email provided a phone number for further information.
The threat claimed bombs had been planted in the school parking lot. Its subject line was “Death by fire.”
The following day, an inert grenade was found at Holocaust Memorial Park in Sheepshead Bay, Brooklyn, and a false bomb threat was called into Central Synagogue in Midtown Manhattan.
According to senior sources in the organized Jewish community, who spoke to The Jerusalem Post, "there was a bomb threat towards many Jewish schools."
The US embassy said it is back to normal operations on Wednesday afternoon.