Complex sentence: The WikiLeaks Forum Twitter account was involved in heated debates which resulted in serious threats against the forum owner and his family: as a direct result, Mark Goeder-Tarant decided to close the Forum, its Twitter account and all connected Facebook accounts.
Split into simpler sentences: The WikiLeaks Forum Twitter account was involved in heated debates which resulted in serious threats against the forum owner and his family. As a direct result, Mark Goeder-Tarant decided to close the Forum, its Twiiter account and all connected Facebook accounts.