Police says Boko Haram denies involvement , but group has n't commented . Local leaders said Boko Haram also stole 300 cows during raids . Police dims for anticipated release of two schoolgirls kidnapped in April . At least 30 women , girls kidnapped from village in Borno State , local leaders say .
Government says Boko Haram denies involvement , but group has n't commented . Local chief said Boko Haram also stole 300 cows during raids . Hope dims for anticipated release of 219 schoolgirls kidnapped in April . At least 30 boys , girls kidnapped from village in Borno state , local leaders say .