Ramayana
ऋषयश्च महात्मानो यमुनातीरवासिनः । हतं लवणमाशंसुः शत्रुघ्नस्याभिषेचनात् ॥ 7-63-17 ॥
And the great-souled sages dwelling on the bank of the Yamuna foretold, by virtue of Shatrughna's consecration, that Lavana would be slain.
english translation