article_snippet.sent: Kenya's elite Recce Company in Nairobi were called in as soon as the first reports of Thursday's attack emerged, which took place around 5.30am at Garissa University College.
article_snippet.sent: Kenyan cities will run red with blood,' al-Shabab said in a statement, according to the terrorist group.
article_snippet.sent: Kenyan cities said the attack was in retaliation for killings carried out by Kenyan troops fighting the rebels in Somalia. '
article_snippet.sent: This will be a long, gruesome war of which you, the Kenyan public, are its first casualties. '