let's get more on this story from our correspondent in shanghai, robin brant. what does huawei hope the effect of this will be? what do they hope to achieve with this challenge? they want to overturn a ban and we will have to wait and see what the us court of appeals thinks about that. but what it is also trying to do is demonstrate that it has the resources and the desire to push back and there is also a public relations exercise ongoing here, one in which huawei is spending a vast amount of money as it continues, frankly, in its fight with the us government. this is a fairly technical moved today, the second attempt in a year by huawei to use the us courts to overturn a ruling. this is about the fcc, the federal communications commission, the agency that oversees the sector that huawei is a big player in, the fcc decided that mobile phone providers in rural parts of the us would not be allowed to use government fund known as the universal service fund to purchase huawei kit. they want that decision overturned. they say it is based on politics not on substance and it continues to say t

robin brant is in shanghai my my goodness, the united states against huawei, what is going on, it's a evidence of the huawei desire to push back, using the legal syste m desire to push back, using the legal system in the united states for the second time in a year to try and overturn a decision. this one was a decision made by the federal communications commission last week and it means mobile to expand in rural parts of america won't be allowed to use a government fund to partly pay for equipment if they wa nt partly pay for equipment if they want to buy from huawei, the latest evidence of america 's attack essentially targeting huawei, there a bigger confrontation between the united states and china and science from london in the last day or so that maybe, just maybe, the uk government will go the same way as the us in terms of shying away from using huawei products when it comes to 5g infrastructure. the prime minister borisjohnson to 5g infrastructure. the prime minister boris johnson saying to 5g infrastructure. the prime minister borisjohnson saying he doesn't want to prejudice

robin brant has more from shanghai.o try and use the american justice system to get parts of the american government to overturn decisions, decisions that have targeted huawei, decisions that huawei believes are illegal. so we had legal action launched in may which was trying to speed up some kind of decision by the us courts against action by us agencies which, based on cyber security concerns, based on the claim that huawei is a national security threat, meant that us agencies couldn't buy kit from huawei. that was in may. today, in the last half an hour or so, further legal action by huawei in the united states, using the us court of appeals, in which it says the decision by the federal communications commission, that is the regulatory body in the us which oversees huawei's action, it says the decision made by the fcc which meant that some mobile phone carriers looking to expand in rural areas of america couldn't use government money — well, the fcc made that decision. huawei says it is illegal. huawei says there is