A Hong Kong inquiry into the city's deadliest fire in decades has scrutinized building authorities for a 'mechanical mindset' and adherence to outdated guidelines.

The “mechanical mindset” of Hong Kong building authorities has come under scrutiny at a hearing into the city’s deadliest fire in decades, with a former inspection director conceding his team had “blindly” followed outdated guidelines when deciding not to conduct on-site audits of renovation works at the housing estate ravaged in the blaze. Rudolf Lau Fu-kwok, who was the head of the Housing Bureau’s Independent Checking Unit when the fire broke out at Wang Fuk Court last November, said on...