Donald Trump could threaten to limit intelligence sharing with the UK if the government allows Huawei to provide equipment for its 5G network.

The US president will raise the issue during his three-day visit to the UK next week in a bid to ratchet up pressure on his allies to ban the Chinese firm, according to the Financial Times.

An unnamed person on the president’s staff was quoted in the FT as saying that “the president is preparing to repeat the message that Chinese involvement in 5G could pose significant challenges for US-UK intelligence co-operation. He is prepared to go hard on this issue.”

The UK has not yet made a decision on whether to follow the US, which put Huawei on a blacklist earlier this month, arguing that China’s government could use it for espionage or to disrupt critical infrastructure. Huawei has repeatedly denied the allegations.

The Trump administration is seeking to choke off Beijing’s access to key technologies by limiting the sale of vital US components to Huawei.

US Vice President Mike Pence, appearing at a news conference in Ottawa this week, said the US has been clear with its allies about Huawei.

“We consider Huawei incompatible with the security interests of the United States of America or our allies in freedom-loving nations across the world,” Pence said.