21.   Two gunmen burst out of a taxi Wednesday and sprayed bullets at a van carrying three U.S. government workers, killing two and wounding the third.

22.   When they knew the men were planning to strike, they made sure the van was not carrying cash.

23.   The van carried two families returning to Brasilia after spending a long independence day holiday in the city of Sacramento, they said.

24.   Outside, they wait for vans to carry them home after a year in the camp.