 The fourteen contractors were en route to launch barges into Lake Pontchartrain to help fix the break in the 17th Street Canal when, according to police, the gunmen opened fire on the group.
<clarity>  The fourteen contractors were en route to launch barges into Lake Pontchartrain to help fix the break in the 17th Street Canal when, according to police, the gunmen opened fire on the group.
 The fourteen contractors were en route to launch barges into Lake Pontchartrain in order to fix the break in the 17th Street Canal when, according to police, the gunmen opened fire on the group.