Indian musician Pritesh Walia detained by ICE, claim friends and family. Who is musician Pritesh Walia? Pritesh Walia, an Indian musician, was detained by ICE on August 2, a statement issued from his Instagram account claimed. On Sunday night, August 2, after we returned to Los Angeles, Pritesh was unexpectedly detained by ICE and taken into custodt. Artist visa is the colloquial term for an O1B visa in the US.