New Delhi, Dec. 23 -- A 32-year-old suspect has been arrested in connection with a mass shooting which claimed the lives of 12 people including three children at an unlicensed pub earlier this month, South African police said on Monday.

The man is suspected of being one of the three people who opened fire on patrons in a pub at Saulsville township, west of South Africa's capital Pretoria, killing 12 people including three children aged 3, 12 and 16.

At least 13 people were also injured during the attack, whose motive remains unknown.

According to the police, the suspect was arrested on Sunday while traveling to Botlokwa in Limpopo province, more than 340 kilometers (210 miles) from where the mass shooting took place on Dec. 6.

An unli...