Some Islamic nations, including Brunei, have harsh punishments under Sharia. In pre-modern times, Sharia was rarely used as criminal law, and standard of proof for any prosecution was very high.
There are many myths around Sharia. A scholar explains the moral and ethical principles behind it, as also why there are different interpretations.
There have been several attacks on Shia mosques in several parts of the world. At its heart is the centuries'-old sectarian Shia-Sunni divide.