Venezuela says it is opening a formal investigation into several Salvadoran officials, including President Nayib Bukele, over the alleged abuse of Venezuelan migrants deported from the US.

Some of the Venezuelans detained in El Salvador's notorious Cecot prison have alleged physical assault, sexual abuse and torture.

Tears of joy and relief flowed freely Tuesday as Venezuelan Maikel Olivera returned home to his mother's embrace after surviving four months of "real hell" in a Salvadoran prison. When the clamor died down,