By Kanishka Singh WASHINGTON (Reuters) -El Salvador President Nayib Bukele on Thursday denied accusations that Kilmar Abrego Garcia, the migrant returned to the U.S. in early June after being wrongfully deported to his native El Salvador,

A new federal court filing says Kilmar Abrego Garcia experienced "severe beatings" and "psychological torture" in a supermax prison in El Salvador.

At the notorious CECOT prison, he was forced to frog-march, had to kneel from 9 p.m. to 6 a.m. and was subjected to beatings and threats, his lawyers said Wednesday.