'Lo' in the Bible

Yet now our flesh is as the flesh of our brethren, our children as their children: and, lo, we bring into bondage our sons and our daughters to be servants, and some of our daughters are brought into bondage already : neither is it in our power to help it; for other men have our fields and our vineyards.

And I discerned, and, lo, God had not sent him; but he pronounced this prophecy against me: and Tobiah and Sanballat had hired him.