Puntland army base was attacked on Saturday evening, sources confirmed to Radio Shabelle.
At least five Puntland soldiers died in the attack that lasted few hours, military sources, who requested anonymity, told Radio Shabelle.
The base is located in Bali-khadar area in Galgala Mountains, sources said.
Al-Shabab militant group has claimed the responsibility for the attack, Al-Shabab linked media reported.
The targeted base is owned by Puntland Maritime Police Force (PMPF), according to sources.