bridge

Tensions rise as Venezuela blocks border bridge

Two US trucks carrying food and medical supplies arrived at Venezuela's border this afternoon, according to a US official in the Colombian border town of Cucuta. But it is not clear when or whether the aid will reach people inside the country.

Deadliest US bridge collapses in last 50 years

There have been a number of deadly bridge collapses through the years, some due to structural deficiencies and others in collisions or accidents. Here's a look back at the 10 deadliest incidents in the last half century.