1.   Italian judges have wide powers to imprison suspects, freeze funds and take documents while carrying out probes.

2.   Opponents of the bill claim it compromises free speech and privacy rights, and could allow law enforcement to imprison suspects without due process.

3.   The last major sticking point for Libya was a demand by Britain and the United States that the two suspects be imprisoned in Scotland if convicted.

4.   He did not elaborate, but a major sticking point is believed to be the disagreement over where the suspects should be imprisoned if convicted.

5.   Libya has said in the past that it wants the two suspects imprisoned in Libya if convicted.