Debate on the 2001 antiterrorism law is expected to focus on two measures.
The independence of the court, operating behind closed doors under a special antiterrorism law, is a subject of debate here.
The decision is the second rejection by a judge in less than a week of the antiterrorism laws.
The roots of these laws are so shallow that a single antiterrorism law simply wipes them out.
For one thing, most current antiterrorism laws were not in effect in 1985, when the hijacking occurred.
The charges were brought under British antiterrorism laws enacted in 2000 and 2006.
He argued that antiterrorism laws in the West had made it very difficult for him as a Sudanese citizen to do business.
Singled out for detention as a possible threat to national security under Britain's sweeping antiterrorism laws, he was the original focus of the police operation.
Parliament has passed a tough antiterrorism law, including the introduction of the death penalty for members of "terrorist" groups.
Canada, besides passing its first antiterrorism law, has promised $5 billion for border security over the next five years.