Secret Service agents deleted text messages sent and received around the Jan. 6, 2021, attack on the U.S. Capitol even after an inspector general requested them as part of an investigation into the insurrection, the government watchdog has found.

The Department of Homeland Security Office of Inspector General, in a letter obtained by The Associated Press, said the messages between Jan. 5 and Jan. 6, 2021, were erased “as part of a device-replacement program.” The erasure came after the watchdog office requested records of electronic communications between the agents as part of its probe into events surrounding the Jan. 6 attack.

Additionally, Homeland Security personnel were told they couldn’t provide records to the inspector general and any such records would first have to be reviewed by DHS attorneys.

“This review led to a weeks-long delays in OIG obtaining records and created confusion over whether all records had been produced,” states the letter, which was dated Wednesday and sent to leaders of the House and Senate Homeland Security committees.

Russian missiles struck a city in central Ukraine on Thursday, killing at least 23 people and wounding more than 100 others far from the front lines, Ukrainian authorities said. Ukraine’s president accused Russia of deliberately targeting civilians in locations without military value.

Officials said Kalibr cruise missiles fired from a Russian submarine in the Black Sea damaged a medical clinic, offices, stores and residential buildings in Vinnytsia, a city 268 kilometers (167 miles) southwest of the capital, Kyiv. Vinnytsia region Gov. Serhiy Borzov said Ukrainian air defenses downed two of the four incoming Russian missiles.

National Police Chief Ihor Klymenko said only six bodies had been identified so far, while 39 people were still missing. Three children younger than 10 where among the dead. Of the 66 people hospitalized, five remained in critical condition while 34 sustained severe injuries, Ukraine’s State Emergency Service said.