Herat (Afghanistan), Apr12: Two engineers of India's Border Roads Organisation (BRO) were killed and six injured today when a suicide bomber blew up in the remote southwestern Afghan province of Nimroz. The engineers and workers were working on a bridge, when they were attacked. No one has claimed responsibility so far. However, the Taliban is said to be behind the attack. The Taliban is fighting to expel foreign forces and bring down Afghanistan's Western-backed government since 2001.