Pursuit by Lester Del Rey — Read

There were men with guns in the street. He'd heard two shots as he came down the stairs, and had shoved Ellen behind him. But it was silent now. People with dazed, frightened faces were still darting into the houses, leaving the street to the men with the guns.

Hawkes marched forward grimly, perversely stripped of fear, even though he was sure some of the men out there were monsters and others were their dupes. He tapped one of the men on the shoulder.