Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 36

Sanskrit:

भगवांस्तमभिप्रेत्य रथाङ्गाङ्कितपाणिना ।परिरेभेऽभ्युपाकृष्य प्रीत: प्रणतवत्सल: ॥ ३६ ॥

ITRANS:

bhagavāṁs tam abhipretyarathāṅgāṅkita-pāṇināparirebhe ’bhyupākṛṣyaprītaḥ praṇata-vatsalaḥ

Translation:

Recognizing Akrūra, Lord Kṛṣṇa drew him close with His hand, which bears the sign of the chariot wheel, and then embraced him. Kṛṣṇa felt pleased, for He is always benignly disposed toward His surrendered devotees.

Purport:

According to the ācāryas, by extending His hand marked with the chariot wheel, or cakra, Lord Kṛṣṇa indicated His ability to kill Kaṁsa.