Cairo Opera House (Photo: Ati Metwaly)
Cairo Opera House has declared three days of mourning across all its venues, after bomb attacks on two Egyptian churches killed at least 45 people on Palm Sunday.
The opera house announced on social media that it has suspended all activities at its venues in Cairo, Alexandria and Damanhour.
The facilities will reopen on Wednesday.
One of the attacks, carried out by a suicide bomber, targeted the Coptic Orthodox Cathedral in Alexandria.
The second targeted St George's Church in Tanta.
Both have been claimed by the IS militant group.
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