The attack Friday against an Egyptian mosque in the Sinai, which has killed at least 235 people, is one of the deadliest since September 11, 2001 in the United States. Here is a summary of the most deadly attacks.
United States 2001- nearly 3,000 dead
The deadliest attacks in history took place in the United States on September 11, 2001.
Two hijacked airliners hit the twin towers of the World Trade Center in New York and the Pentagon in Washington DC. Around 3000 people were killed and these attacks were claimed by Al Qaeda.
Iraq (2007- 400 dead)
On 14 August 2007, four truck bombs exploded in Al-Khataniyah and Al-Adnaniyah villages, mostly inhabited by members of the Yezidi community in Nineveh province, northern Iraq. The simultaneous attacks, blamed on Sunni Islamists, have killed more than 400 people.
Somalia (2017- 358 dead)
A truck bomb in northwestern Mogadishu killed 358 people on October 14, 2017. This bombing was one of the deadliest in Somalia’s history.
Although no group claimed responsibility for the attack, their fingers are pointed to Al-Shabab, a radical Islamist group with links to Al Qaeda.
Iraq (2016- 323 dead)
On July 3, 2016, a minibus trapped 323 people in a street in central Baghdad. The attack was claimed by the Islamic state.
Egypt (2015-24 dead)
On October 31, 2015, a Russian plane from Egypt crashed in the Sinai Peninsula, killing 224 people on board. A group linked to the Islamic State claimed responsibility for the attack and experts believe there was a bomb on the plane.
Indonesia (2002- 202 dead)
On October 12, 2002, attacks on a Bali restaurant bar and nightclub killed 202 people, the majority of whom were tourists. The attack was perpetrated by a Jemaah Islamiyah commando, a group with ties to Al Qaeda.