The Anti Corruption Bureau (ACB) on Monday questioned Chief Immigration Officer Masauko Medi and several other officers at Immigration office in Blantyre.
The bureau also conducted a search at Immigration Headquarters in Blantyre and residences of some immigration officials as part of investigations.
But ACB director general Reyneck Matemba said no arrests have been effected yet.
Matemba said: “We just conducted a search and seizure operation at the Department of Immigration and Citizenship headquartes in Blantyre and in the homes of some immigration officers.
“No arrests have been effected and this is part of an ongoing investigations.”
He said it was part of an investigations relating to the issue of illegal immigrants.Follow and Subscribe Nyasa TV :