Second explosion occurred in the Egyptian city of Tanta, media

A second explosion occurred in the Egyptian city of Tanta on Sunday, following a deadly blast at a church.

According to the Akhbar Ajila media outlet, the second explosion occurred at a training center of a police station, reported by Russian Sputnik News. 

Earlier in the day, the blast in the city of Tanta claimed lives of at least 15 people, injuring 50 others.