CAIRO, April 9 (Xinhua) -- At least 13 people were killed and 42 others injured in an explosion inside a church in the Egyptian Nile delta city of Tanta on Sunday, the Egyptian health ministry reported.
An explosive device was planted in the front seat of the church, State-run TV quoted a security sources as saying.
The bombing came while the Copts are celebrating the Palm Sunday religious day.
The death toll may increase because wounded people are in critical conditions. There was no immediate claim of responsibility.
Coptic Christians make up about 10 percent of Egypt's population of 85 million. They have largely coexisted peacefully with the majority-Muslim public for centuries.
Toward the end of 2016, at least 29 people were killed and 31 wounded in an explosion that targeted the Cathedral of Saint Mark in the Abbasia district in Cairo.
