Abdullah, who had worked for an oil company, was linked to a "terrorist" network - a cell which carried out a previous bombing of a Cairo church in December that killed 29 people, the ministry said in a statement.
Meanwhile, the Islamic State has become more and more active in Egypt, especially in the region of North Sinai, and recently vowed to step up its attacks against Egypt's Christians.
On a visit to Algeria, EU foreign affairs chief Federica Mogherini expressed solidarity with the Egyptian government and people in the fight against terrorism and stressed that those responsible for the attacks must be held accountable. They are also carried out as a challenge to President Abdel Fattah al-Sisi, who had promised to protect the community during his campaign.
The strong support shown by the American head of nation to his Egyptian counterpart has significant dimensions, as the earlier is in need of a robust military power and regional powerhouse to bring balance of power in the Middle East; where Russian Federation is spreading its influence effectively since the rise of the Arab Spring.
"We pray for all those who hate us and we ask that God provide His guidance to them to enlighten their hearts and minds to know the right way", he added. ISIS also claimed responsibility for that attack. The targets of the attack were St. George's church in Tanta and St. Mark's Cathedral in Alexandria.
At least 17 people were killed at St. Mark's Cathedral in Alexandria, the historic seat of Christendom in Egypt.
During their first meeting last week, el-Sissi praised President Trump at the White House.
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Egypt's parliament on Tuesday voted to impose a three-month countrywide state of emergency after two deadly church bombings on Sunday left at least 45 Coptic-Christian worshippers dead, APA reports quoting Anadolu agency.
The Egyptian authorities have not released the identities of the terrorists, but they are believed to be Egyptian nationals.
Most adhere to the Coptic Orthodox Church of Alexandria, headed since 2012 by Pope Tawadros II.
"We're living in different times", Adams said.
Egypts Christian minority has often been targeted by Islamist militants.
"On behalf of the people of Azerbaijan and on my own behalf, I extend my deepest condolences to you, families and loved ones of those who were killed and the whole people of Egypt, and wish those injured the soonest possible recovery".