grammar - Use of "and lo" in a sentence

What, if any, is the right way to use "and lo" in a sentence?

My basic structure is "[discussion about thing], and lo, [example of thing]", kind of like: There's a cliche about circus clowns being creepy and dangerous, and lo, last night I saw a clown violating a teddy bear.

Is this proper? Should there be a colon or semicolon after "lo"?

Answer

The words 'and lo' are usually followed by an exclamation mark (And lo! the majestic Himalayas, lay untrammeled before their very eyes!) , to emphasize the dramatic nature of the event that has come to pass. 'Lo and behold' is a related variant, also usually followed by an exclamation mark.