וַיְהִ֤י דְבַר־יְהוָה֙ אֶל־יֵה֣וּא בֶן־חֲנָ֔נִי עַל־בַּעְשָׁ֖א לֵאמֹֽר׃
And the word of the LORD came to Jehu the son of Hanani against Baasa, saying:
Rashi
Also, in the hand of Yeihu the son of Chanoni the prophet, there was a word of Adonoy concerning Bashah. I.e., behold Eilah son of Bashah reigned, nevertheless, the word of Adonoy through Yeihu was that his kingdom would not last.1This verse is a continuation of Yeihu’s prophecy contained in v.1-4 above, therefore it begins with “Also.”—Metzudas Dovid