The parents of American Israeli hostage Hersh Goldberg-Polin made an emotional plea Wednesday night at the Democratic National Convention for their son’s return.

Jon Polin and Rachel Goldberg described Hersh seeking safety in a tiny bomb shelter when the Oct. 7 attack began at the Tribe of Nova music festival, before his left forearm was blown off by a grenade and he was taken to Gaza.

“Since then, we live on another planet,” said Goldberg. “Anyone who is a parent or has had a parent…