Central American migrant families arrive at a Catholic Charities respite centre after being released from federal detention on Jun 12, 2019, in McAllen, Texas. (Loren ELLIOTT/AFP)

WASHINGTON: The acting commissioner of the US Customs and Border Protection (CBP) agency, John Sanders, is resigning and will leave his post on Jul 5, the agency said on Tuesday (Jun 25), a move that coincides with an outcry over the treatment of detained migrant children.