IN PICTURES | 235 killed, 109 injured in militant attack at Egypt's al-Rowda mosque in North Sinai

At least 235 worshippers were killed and 109 others injured when heavily-armed militants bombed a mosque and opened fire on people attending Friday prayers in Egypt's restive North Sinai region, in the deadliest terror attack in the country. IN PIC: Injured people are evacuated from the scene of a militant attack on a mosque in Bir al-Abd in the northern Sinai Peninsula of Egypt.

At least 235 worshippers were killed and 109 others injured when heavily-armed militants bombed a mosque and opened fire on people attending Friday prayers in Egypt's restive North Sinai region, in the deadliest terror attack in the country. IN PIC: Injur 

The militants launched a targeted bomb and gun attack on the al-Rowda mosque in Al-Arish city during the Friday prayers, the state-run MENA news agency reported. IN PIC: Abdallah Abdel Nasser, 14, receives medical treatment at Suez Canal University hospital in Ismailia, Egypt. (Photo | AP)

India's Ambassador to Egypt Sanjay Bhattacharyya condemned the attack as 'mindless violence' which he said 'overtook sanity and held humanity hostage'. IN PIC: Sheikh Sulieman Ghanem, 75, receives medical treatment at Suez Canal University hospital in Ismailia, Egypt. (Photo | AP)

Local people are also quoted as saying that followers of Sufism, or Islamic mysticism, regularly gathered at the mosque. Islamist jihadist groups, including so-called Islamic State (IS), see Sufis as heretics. IN PIC: Relatives of Sheikh Sulieman Ghanem, 75, center, surround him as he receives medical treatment at Suez Canal University hospital in Ismailia, Egypt. (Photo | AP)

No one has yet claimed responsibility for the attack and there is no word yet on what happened to the militants involved. IN PIC: Mohamed Emam the Press Center General Director, left, speaks as Head of the Egyptian Press Syndicate Diaa Rashwan, right, prepares to brief the press on the militant attack that sprayed worshippers with gunfire and explosions. (Photo | AP)

There have been regular attacks blamed on militants on the Sinai peninsula since the January 2011 revolution that toppled former president Hosni Mubarak, but this is the deadliest assault of its kind. IN PIC: Head of the Egyptian Press Syndicate Diaa Rashwan, briefs the press on the militant attack. (Photo | AP)