Rep. Elijah Cummings (D-Md.) has died, according to a statement from his office.

The Democratic member of Congress chaired the House Oversight Committee, which is among the panels investigating the impeachment of President Donald Trump . He was 68.

Cummings died at Gilchrist Hospice Care in Baltimore at approximately 2:30 a.m. Thursday due to complications concerning longstanding health challenges, his office confirmed in a statement to HuffPost. He did not return to work following an unidentified medical procedure in September.