Original: The bombings were carried out by four Muslim men , three of British Pakistani and one of British Jamaican descent , who were motivated by the teachings of Osama Bin Ladin , opposition to British support of Saudi Arabia , and anger of Britain 's involvement in the Iraq War .
Simplified: The 7 July 2005 London bombings ( also called the 7\/7 bombings ) were a series of coordinated suicide bomb attacks .