overheated political rhetoric as america barrels towards the mid-term elections, but as abc's matt guttman shows us, on the ground tonight there is intense human drama involving men, women, even children putting their lives on the line. >> reporter: tonight the mexican government saying it won't allow this caravan of thousands of foot sourced central americans march further towards the u.s. and president trump calling it a national emergency. >> take your cameras, and go into the middle and search. you're going to find ms-13 and middle eastern, you're going to find everything, and guess what, we're not allowing them in our country. >> reporter: so we took our cameras again today into that my grant caravan and what we found were desperate families. the caravan's ranks have swollen since it began 500 miles away and a week ago in honduras. about 7,000 people now traveling north, the shortest route to the u.s., the 1,500 miles to brownsville, texas. they crossed into mexico illegally on friday, some of the migrants tearing through a border gate. they were met with riot police and waves of tear

matt guttman, abc news, los angeles. >>> a northern california high school is looking into reports that one of its students served up a very ghoulish snack. >> officials believe some kids may have given their classmates cookies that contained the ashes of a student's grandfather. officials, they haven't been able to test any of the cookies and there haven't been reports of any students getting sick over this, but -- >> wow. >> that's just incredible. >> so the school district says those who were involved are remorseful and this is now a personal family matter. but i'm pretty sure that the parents want more than that. >> well, absolutely. maybe put some rules in place to not -- >> right. >> -- bring in homemade food, just to be on the safe side. >> but the school district says there is no health risk here. they're trying to assure parents, but i'm really sure that does not assure those parents. >>> well, when we come back, the support for daniel craig after being man shamed on social media. >>> and what we're hearing about ariana grande and her six-figure engagement ring. that is coming