A suicide bomber has blown himself up near a tourist site in the Egyptian city of Luxor, security sources and witnesses say.
Three assailants were killed in the attack, which took place close to the ancient Karnak temple, one of Egypt's most popular tourist destinations.
Two gunmen were shot dead by police, but a third person managed to pass through a barrier leading to the site before blowing himself up.
Four Egyptians - including shop owners and police officers - were wounded in the attack.
No group immediately claimed responsibility.
Egypt's former president Hosni Mubarak is to be retried over the killing of protesters in 2011.
Last year Mubarak was cleared in a retrial after originally being jailed for ordering the killing of protesters during the uprising in 2011 that ended with his removal from power.
His retrial will begin in November, Egypt's high court ruled.
The US government has expressed "deeply concern" about the death penalty handed to former Egyptian President, Mohamed Mursi.
Prosecutors are demanding execution of Mursi and more than 100 other defendants after a mass trial which has also been condemned by Amnesty International.
"We are deeply concerned by yet another mass death sentence handed down by an Egyptian court to more than 100 defendants, including former President Mursi," a State Department official said.
"We have consistently spoken out against the practice of mass trials and sentences, which are conducted in a manner that is inconsistent with Egypt's international obligations and the rule of law," the official added.
Muslim Brotherhood official Amr Darrag condemned an Egyptian court's decision to seek the death penalty for former president Mohamed Morsi and called on the international community to take action.
"This is a political verdict and represents a murder crime that is about to be committed, and it should be stopped by the international community," Darrag, co-founder of the dissolved Freedom and Justice Party, the political wing of the Muslim Brotherhood, told Reuters in Istanbul.
An Egyptian court has sought the death sentence for former President Mohamed Morsi and 105 other members of the Muslim Brotherhood in connection with a mass jail break in 2011.
The cases, like any capital sentence, will be referred to Egypt's top religious authority, the Grand Mufti, for any opinion before any executions can take place.
A lawyer representing an Al Jazeera journalist on trial in Egypt said the man has filed a lawsuit in a Canadian court accusing his employer of negligence and has demanded $100 million in compensation.
Mohamed Fahmy, who spent more than 400 days in an Egyptian jail on charges of aiding a terrorist organisation, suggested Al Jazeera's actions landed him in jail.
Thirty tribes based in the Sinai region of Egypt have today pledged their support to security forces battling extremist militant groups in the Middle East.
The Sinai Tribal Federation held a meeting today and agreed to work with "relevant agencies and institutions of the formal state...to support the state and the armed forces in their war against terrorism".
It comes after security sources revealed the Sinai Province militant group, which supports Islamic State, had executed prominent members of the tribes.
An Egyptian court has sentenced former president Hosni Mubarak and sons to three years in jail in the retrial of a corruption case.
Mubarak was sentenced to three years in prison last May for diverting public funds earmarked to renovate presidential palaces and using the money to upgrade family properties.
His two sons were given four-year jail terms in the same case.
The chief executive of Sainsbury's has been sentenced to two years in prison in an Egyptian jail.Read the full story ›
Former Egyptian President Mohamed Morsi has been sentenced to 20 years in jail over protester deaths in 2012, in a televised court decision.
It is the first verdict to be issued against the country's first freely-elected leader.
The Cairo Criminal Court issued the verdict as Morsi and other defendants in the case - mostly Muslim Brotherhood leaders - stood in a soundproof glass cage inside a makeshift courtroom at Egypt's national police academy.
The case stems from violence outside the presidential palace in December 2012.