Dutiyasaṅgāmasutta
Atha kho rājā māgadho ajātasattu vedehiputto caturaṅginiṁ senaṁ sannayhitvā rājānaṁ pasenadiṁ kosalaṁ abbhuyyāsi yena kāsi. Assosi kho rājā pasenadi kosalo: “rājā kira māgadho ajātasattu vedehiputto caturaṅginiṁ senaṁ sannayhitvā mamaṁ abbhuyyāto yena kāsī”ti. Atha kho rājā pasenadi kosalo caturaṅginiṁ senaṁ sannayhitvā rājānaṁ māgadhaṁ ajātasattuṁ vedehiputtaṁ paccuyyāsi yena kāsi. Atha kho rājā ca māgadho ajātasattu vedehiputto rājā ca pasenadi kosalo saṅgāmesuṁ. Tasmiṁ kho pana saṅgāme rājā pasenadi kosalo rājānaṁ māgadhaṁ ajātasattuṁ vedehiputtaṁ parājesi, jīvaggāhañca naṁ aggahesi. Atha kho rañño pasenadissa kosalassa etadahosi: “kiñcāpi kho myāyaṁ rājā māgadho ajātasattu vedehiputto adubbhantassa dubbhati, atha ca pana me bhāgineyyo hoti. Yannūnāhaṁ rañño māgadhassa ajātasattuno vedehiputtassa sabbaṁ hatthikāyaṁ pariyādiyitvā sabbaṁ assakāyaṁ pariyādiyitvā sabbaṁ rathakāyaṁ pariyādiyitvā sabbaṁ pattikāyaṁ pariyādiyitvā jīvantameva naṁ osajjeyyan”ti.
Battle (2nd)
Then King Ajātasattu of Magadha, son of the princess of Videha, mobilized an army of four divisions and marched to Kāsi to attack King Pasenadi of Kosala. When King Pasenadi heard of this, he mobilized an army of four divisions and marched to Kāsi to defend it against Ajātasattu. Then the two kings met in battle. And in that battle Pasenadi defeated Ajātasattu and captured him alive. Then King Pasenadi thought, “Even though I’ve never betrayed this King Ajātasattu, he betrayed me. Still, he is my nephew. Now that I’ve vanquished all of Ajātasattu’s elephant troops, cavalry, chariots, and infantry, why don’t I let him loose with just his life?”