With today's stepped-up security, the only calls expected were internal.

Our study suggests they need treatment, not stepped-up security.

The blast today suggested that terrorists were responding to the stepped-up security in the capital by taking their campaign to less protected towns and cities.

Despite all of the guidelines and stepped-up security, some residents said that following the management's convention-preparedness advice would be easy.

This placement was intentional and appropriate for the stepped-up security around Gordian.

The first two incidents in New York prompted calls for stepped-up security.

They cite stepped-up security on the United States side of the border.

With stepped-up security, all but one of the women was intercepted by security boats.

A police sergeant will oversee the stepped-up security at each impact school.

Despite stepped-up security, a cross was burned on Johnson's lawn and his mother's house was bombed.