Complex sentence: She has been accused of orchestrating grenade attacks at non-Muslim places of worship, and is believed to have beeen behind an attack on those watching football in a bar in Mombasa during Euro 2012.
Split into simpler sentences: She has been accused of orchestrating grenade attacks at worship centers of religions other than Islam. She is believed to be behind an attack on those watching soccer in a bar in Mombasa during Euro 2012.