"For the purpose of the investigation, KPK has sent the Immigration Directorate General a letter imposing an overseas travel ban on the five people," KPK Deputy Chairman Saut Situmorang said during a press conference at the KPK building in Jakarta on Tuesday.
The five people include two from the Directorate General of Customs and Excise, one from the Maritime Affairs and Fisheries Ministry, and the president director of PT DRU, who have been named as suspects in the case. The other person is an employee of PT DRU, who is a witness in the case.
"They are banned from traveling abroad for six months, starting on May 7, 2019," he said.
On Tuesday, KPK also announced the names of four suspects who were being investigated in the alleged graft case.
The first alleged corruption case is related to the purchasing of 16 patrol boats at the Directorate of Action and Investigation of the Directorate General of Customs and Excise in the budget years 2013 to 2015.
Four people were named as suspects in the case, which is believed to have caused losses of Rp117,736,941,127 to the state.
The second alleged corruption case is related to the construction of four ships for the Directorate General of Marine and Fishery Resources Surveillance in the budget years 2012 to 2016. Two people have been named as suspects in the case, which is said to have caused losses of Rp61,540,127,782 to the state.