SB 10.53.20-21

śrutvaitad bhagavān rāmo
 vipakṣīya nṛpodyamam
kṛṣṇaṁ caikaṁ gataṁ hartuṁ
 kanyāṁ kalaha-śaṅkitaḥ
balena mahatā sārdhaṁ
 bhrātṛ-sneha-pariplutaḥ
tvaritaḥ kuṇḍinaṁ prāgād
 gajāśva-ratha-pattibhiḥ
Synonyms: 
śrutvā — hearing; etat — this; bhagavān rāmaḥ — Lord Balarāma; vipakṣīya — inimical; nṛpa — of the kings; udyamam — the preparations; kṛṣṇam — Lord Kṛṣṇa; ca — and; ekam — alone; gatam — gone; hartum — to take away; kanyām — the bride; kalaha — a fight; śaṅkitaḥ — fearing; balena — a force; mahatā — mighty; sārdham — together with; bhrātṛ — for His brother; sneha — in affection; pariplutaḥ — immersed; tvaritaḥ — swiftly; kuṇḍinam — to Kuṇḍina; prāgāt — went; gaja — with elephants; aśva — horses; ratha — chariots; pattibhiḥ — and infantry.
Translation: 
When Lord Balarāma heard about these preparations of the inimical kings and how Lord Kṛṣṇa had set off alone to steal the bride, He feared that a fight would ensue. Immersed in affection for His brother, He hurried to Kuṇḍina with a mighty army consisting of infantry and of soldiers riding on elephants, horses and chariots.