Kathmandu. Iran's Tasnim news agency reported on Tuesday that five civilians were killed in an attack by America on cargo boats.The US military claimed to have targeted six Iranian boats. It is reported that no Iranian warships were affected by the attack.It has been reported that five civilian passengers aboard two cargo boats traveling from Khosab to Iran on the coast of Oman were killed when the US military attacked them.US Central Commander Brad Cooper, however, said that the US military sank six Iranian boats in the Strait of Hormuz.Cooper told reporters in an interview that Iranian boats were attacked...