UK definition of terrorism 'could catch political journalists and bloggers'
David Anderson QC, the official reviewer of counter-terrorism laws, said Britain had some of the most extensive anti-terrorism laws in the western world, which gave police and prosecutors the powers they needed to tackle al-Qaida-inspired terrorists, rightwing extremists and dissident Northern Irish groups.
...
On the first, Anderson said Britain's laws treated politically motivated publication of material thought to endanger life or to create a serious risk to the health or safety of the public as a terrorist act if it was done for the purpose of influencing the government.
He said in other European and Commonwealth countries the bar was set much higher and there must also be an "intention to coerce or intimidate".
...
He warned that they could be branded as terrorists even if they had no intention to spread fear or intimidate, and those who employed or supported them would also qualify as terrorists.
http://www.theguardian.com/uk-news/2014/jul/22/uk-definition-terrorism-political-journalists-bloggers-watchdog