Safety concerns raised after tourist bus plunges in ocean

The partly submerged bus after it slid away from Likoni Ferry in Mombasa. [Omondi Onyango,Standard]

Just how did a 35-seater tourist bus plunge into the Indian Ocean at the Likoni Crossing Channel after it slid from a ferry?

These are the questions that have emerged even as safety of motorists and passengers at the ferries is back in focus.