Latest: Islamic State claim attacks that killed 37 in Egyptian churches

IS has claimed the attacks via its Aamaq news agency, after having recently warned that it would step up attacks on Egypt's Christians.
- At least 25 people have been killed and 70 wounded after a bomb exploded in a church in Tanta;
- At least 11 people have been killed and 35 wounded in a second blast at a church in Alexandria;
- Islamic State has claimed the attacks;
- The attacks come just weeks before Pope Francis is due to visit Egypt.