This is certainly not a done deal. In MHO the laws with regards to this should be strengthened. To do otherwise is to accept a retrogressive invitation to wallow in the filth of moral decrepitude. The UK would be well advised to think very carefully before undermining the principles of universal jurisdiction.
U.S. warns governments, bankers Iran sanctions still in place (Reuters)
from the article: Israel welcomes British promise to change controversial arrest law