UPDATE 3-Seven hurt as bomb hits madrassa in Nigeria
* Six children wounded in attack in Delta state
* Islamist Christmas bombs could foment sectarian strife
* President Jonathan hints at security reshuffle
* Separate attack in Plateau state underscores fragility
By Austin Ekeinde and Tife Owolabi
PORT HARCOURT/JOS, Dec 28 (Reuters) - Assailants threw a homemade bomb into a madrassa in southern Nigeria's Delta state, police said, wounding seven people and escalating tensions between Muslims and Christians after a spate of church bombings across the nation.
Six of the wounded were children younger than nine learning the Koran at the Islamic seminary, or madrassa.
In a separate incident, armed Fulani herdsmen shot dead three members of a family in the ethnically and religiously mixed Plateau state on Wednesday, witnesses and officials said. .
The school attack on Tuesday night came two days after Christmas Day bombings of churches and other targets by Islamist militant group Boko Haram killed 32 people in a coordinated strike that seemed aimed at igniting sectarian strife. Continued...