Joel 2:5 KJV
Like the noise of chariots on the tops of mountains shall they leap, like the noise of a flame of fire that devoureth the stubble, as a strong people set in battle array.
Joel 2:5, King James Version
In context
4 The appearance of them is as the appearance of horses; and as horsemen, so shall they run.
5 Like the noise of chariots on the tops of mountains shall they leap, like the noise of a flame of fire that devoureth the stubble, as a strong people set in battle array.
6 Before their face the people shall be much pained: all faces shall gather blackness.