Two members of Ukraine's State Border Service were killed and one wounded near Stanytsia Luhanska by a booby trap bomb, the Luhansk regional administration has said.

"Yesterday, September 28, near Stanytsia Luhanska village two border troops died and one was wounded by a booby trap bomb set by a group of saboteurs," the Luhansk regional administration said on its Facebook page on Friday.

Later on September 28 region's Prosecutor General's Office (PGO) said near the train station Iliyenko in Stanychno-Luhansky district 800 meters from the state border with Russia at around 17:00 on September 28 an inspector and a site inspector from the "Herasymivka" Luhansk border detachment died as a result of exploded ordinance.

Information about the incident was entered in the unified register of pretrial investigations pursuant to Part 3 of Article 258 of Ukraine's Criminal Code (terrorist act resulting in death). A pretrial investigation is being conducted by Luhansk region's SBU Security Service of Ukraine.

SBU agents, Luhansk region prosecutors, an investigation team from the Stanytsia Luhanska police department are on the scene, along with bomb experts.

Ukraine's State Border Service extended condolences to the families of the deceased.

Interior Ministry communications department director Artem Shevchenko said, "the total number of border troops who have died in Donbas has reached 69."

"We remember them and mourn their passing. We will release the names [of the two killed] tomorrow, after we have contacted their parents. Rest in peace," Shevchenko said on the Facebook page on Thursday evening.