UPDATE 2-Sectarian violence kills more in Nigeria's Kaduna
* Christian-Muslim clashes sparked by church bombings
* More than 90 people already killed this week
* Pope appeals for end to sectarian attacks and reprisals
* Boko Haram in gun battle with security forces in northeast (Releads with new violence, parliament summons president, military, govt quotes)
By Garba Mohammed and Mike Oboh
KADUNA/ABUJA, June 20 (Reuters) - Deadly violence between Christians and Muslims in Nigeria's Kaduna flared again on Wednesday, adding to the more than 90 deaths in sectarian clashes in the northern city so far this week.
Religiously mixed Kaduna, near the volatile "Middle Belt", where Nigeria's mostly Christian south and largely Muslim north meet, was the scene of a triple church bombing on Sunday that sparked days of revenge killings.
Dispelling earlier hopes that the violence had eased, locals said Christian youths attacked homes in a Muslim area of Kaduna and police shot dead some of the mob.
Resident Rabo Haladu, who spoke to Reuters by telephone, said he saw bodies lying on the ground and the National Emergency Management Agency said there were unconfirmed reports that dozens of people had been killed. Continued...