They travel to conflict zones, the Afghanistan-Pakistan border region, Syria, Yemen. Certainly we see Somalia as well. In those circumstances, they have the opportunity then to engage in terrorist activity. We know a number of them have been killed.
Evidence of meeting #73 for Citizenship and Immigration in the 41st Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was individuals.
A recording is available from Parliament.