Police in the Eastern Region have begun investigations into the killing of two persons including a military officer last night by highway robbers.The incident occurred after the robbers stopped about three vehicles, robbed the passengers and killed the two.The Deputy Eastern Regional Police Commander ACP James Azumah Abass told Joy News the suspects are believed to be from Fulani descent.He said the incident happened at a place called Nsuobeto in the Eastern Region around 9:00 pm, Sunday.They have begun investigations into the matter but ACP Azuma Abass said they are yet to make any arrest.