US plans to site part of a missile defence system in the Czech Republic face a stiff test in the country’s parliament, where the opposition is seeking to overturn the government’s wafer-thin majority.

Lubomir Zaoralek, shadow foreign minister, told the Financial Times in a London interview that Washington was peddling a ”false perception” of the threat from Iran and other so-called rogue states to cajole Prague into agreeing to the construction of an early-warning radar system, to be coupled with interceptor missiles in Poland.