Witness Inuwe Sula says he saw six bodies evacuated near Bakassi refugee camp and several wounded survivors "drenched with blood."
Civilian self-defense fighter Dan Batta says two suicide bombers tried to enter the camp that holds more than 16,000 refugees from Boko Haram`s seven-year Islamic uprising.
He says the second blast came a half-hour later and about a kilometer away when a tricycle taxi carrying at least two people exploded.
Boko Haram has stepped up attacks after a months-long lull caused by a leadership struggle in the organization affiliated with the Islamic State group.
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