Now to an update on the British government worker in Hong Kong who went missing earlier this month during a trip to China.br According to China's foreign ministry on Wednesday, Simon Cheng has been detained in Shenzhen for 15 days after allegedly violating a law on public order.br Reason for his arrest is still unknown.br The ministry added his arrest was not a diplomatic issue.br It also issued a warning to British officials "stop meddling in Hong Kong affairs.