Starting tomorrow , they will intercept some food from Mexico at the border . Sources say salmonella is expanding to beans , peppers and scallions . 943 people in 50 states , the District of Columbia , Canada have become ill .
Starting Monday , authorities will intercept some food from Mexico at the border . Sources say salmonella inquiry expanding to cilantro , peppers and scallions . 943 people in 40 states , the District of Columbia , Canada have become ill .