1.   Around the same time, the El Paso district tightened the border in Texas and New Mexico.

2.   Around the country, borders have been tightened, but customs officials are checking for explosives, guns and illegal immigrants.

3.   As for the plan to tighten the border, he said that tripling the personnel along the Canada border would not provide security.

4.   He also seemed poised to benefit from the long-held perception that Republicans are more virulent than Democrats about tightening borders.

5.   He was impressed with U.S. efforts to tighten its borders.

6.   Last week Pakistan joined Iran and Tajikistan in tightening its borders.

7.   Lawmakers are drafting bills to tighten the borders, restrict visas, and keep better track of foreign visitors.

8.   Some of the most populous states, such as Texas, Florida and California, have considerable sentiment for tightening the border against illegal entry.

9.   Thanks to his campaigning, Austria had already tightened its borders, but it just allowed immigrants hoping for asylum to hold jobs legally.

10.   The bill, two years in the making, aims to curb the influx of undocumented immigrants, mainly by tightening the border between the United States and Mexico.