Albert Barnes Commentary Jeremiah 6:1

"Flee for safety, ye children of Benjamin, out of the midst of Jerusalem, and blow the trumpet in Tekoa, and raise up a signal on Beth-haccherem; for evil looketh forth from the north, and a great destruction." — Jeremiah 6:1 (ASV)

Jeremiah addresses the men of Benjamin, either as being his own tribesmen or as a name appropriate to the people of Jerusalem, which also was situated in the tribe of Benjamin.

Gather yourselves to flee – Gather your goods together to remove them to a place of safety.

Blow the trumpet in Tekoa – The name of Tekoa is almost identical with the verb “to blow”; but it was not chosen merely for the alliteration, but because it was the last town in Judea (about 11 miles south of Jerusalem), upon the very border of the desert, where the fugitives would halt.

A sign – Rather, a signal.

Beth-haccerem – Or, the “Vineyard-House,” which was situated halfway between Jerusalem and Tekoa.

Appeareth – “Is bending over;” is bending forward in eagerness to seize its prey.