The Washington Post reported Thursday that Washington, D.C., officials placed four employees on administrative leave from the city's Office of the Chief Technology Officer, and fired 23 consultants employed by firms connected to an alleged scam revealed last week.

Federal law enforcement agents raided the office, arresting technology office manager Yusuf Acar and consultant Sushil Bansal, charging them with conspiring to steal city money through a scheme involving "ghost" employees and kickbacks.

Government sources told The Washington Post that 17 of the consultants worked for Advanced Integrated Technologies, which Bansal owns. Four worked for Circle Networks, which is co-owned by Acar, and two worked for Innovative IT Solutions, another Bansal company.

Federal CIO Vivek Kundra ran the office for two years as the district's CTO before President Obama appointed him to his new post two weeks ago. Authorities say Kundra is not a target of the probe.

Read more about the story.