laura bicker, bbc news, ruili. too close to call. so to try and win over undecided and marginal voters, both kamala harris and donald trump are crisscrossing the battleground states. one of those states is michigan, and my colleague caitriona perry has been speaking to voters there. welcome to saginaw in michigan. this is up the north part of the state. and in this swing city, in this swing county, in this battleground state, only 300 votes separated joe biden from donald trump in 2020. so that gives you an idea about just how tight some of these communities are. you'll see streets where one house has a kamala harris sign in it, and their next door neighbour has a donald trump sign in their front garden. so it's very close, very tight — people reporting issues here and in the other cities we've been in michigan, just like we're hearing right across america. we're hearing about the economy. about the cost of living and affordability crisis. we're hearing about the rates of inflation, housing, education, immigration,