Two of the attackers named by a Kenyan military spokesman are known members of al-Hijra, a Kenyan extremist group affiliated with al-Shabaab, according to the former head of the United Nations Monitoring Group on Somalia.
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The attack on a college in Garissa, Kenya, comes a day after President Uluru Kenyatta declared: ''Kenya is safe".
The pre-trial hearing for a British banker, accused of murdering two women in Hong Kong last November, was adjourned for five weeks.
Conservationists say one of the UK's most threatened butterflies has recorded its best year for a decade following 2014's warm spring.