Kenya's President Uhuru Kenyatta has been declared winner of this year's presidential elections. However his main opponent, Raila Odinga has refused to concede defeat, alleging massive irregularities in the polls, including what he said was the hacking of the electronics tallying system. Kenyatta garnered 54% of the vote against Odinga's 44.7%. Tensions remain high in the country as our correspondent, Sarah Kimani and Channel Africa's Isaac Komo elaborate...