U.S. police slayings raise pressure on officers at time of tension

The officers' deaths came within a span of less than a week, but more than 1,000 miles apart: One was fatally shot while filling his police cruiser's gas tank outside Houston, Texas, the other was killed in pursuit of three suspects in rural Illinois.

Their deaths marked the 23rd and 24th fatal shootings of officers in the United States this year, and come at a time when relations between...read more.