Seventeen people died in the Saudi capital, Riyadh, when a bomb ripped through a housing compound on Nov. 9.

Such tire-spraying is in wide use in and around Beijing, including at many elite housing compounds.

The Saudi authorities did nothing to augment security at any of the sites, including the three housing compounds struck on Monday night, the administration officials said.

In addition, there is a monorail connecting the main areas of the campus with the housing compound.

A chain link security fence and a line of small trees separated the parking lot, used for a local mosque and park, from the housing compound.

A campus-wide wireless computing environment with a hard-wired connection to and from the teacher's housing compound.

Green vegetation surrounds most of the housing compounds, especially coconut palm and banana trees, and are regarded as part domestic agriculture.

You said the Eaststar housing compound is nearby.

When it got dark he was always back in the housing compound, but he didn't mingle with us rangers even then.

But suburban housing compounds have now sprouted around Beijing, and the city has added more than a million new cars.