New Delhi, Nov. 18 -- David Richardson, the acting head of the Federal Emergency Management Agency (FEMA), resigned on Monday (November 17) after just six months in the role, marking the second leadership shakeup at the agency under the Trump administration in recent months.

Richardson, a former Marine Corps officer and assistant secretary at the Department of Homeland Security's Countering Weapons of Mass Destruction Office, faced intense scrutiny over FEMA's response to deadly floods in Texas this summer.

Richardson's tenure was widely criticized for his low public profile and perceived mishandling of the catastrophic July 4th floods in Texas Hill Country, which killed more than 130 people.

Former FEMA officials and staff expressed c...