WASHINGTON (AP) — Environmental Protection Agency Administrator Scott Pruitt resigned Thursday amid ethics investigations of outsized security spending, first-class flights and a sweetheart condo lease.

With Pruitt's departure, President Donald Trump loses an administrator many conservatives regarded as one of the more effective members of his Cabinet. But Pruitt had also been dogged for months by scandals that spawned more than a dozen federal and congressional investigations.

White House Chief of Staff John Kelly and other officials pushed Pruitt to tender his resignation Thursday amid the m...