Gunmen killed at least 29 people in two separate attacks in coastal Kenya overnight, says the interior ministry.
"There were two attacks in Lamu and Tana River...In Lamu we have nine people dead and in Tana River we have 20. The number could rise," said a ministry spokesman Mwenda Njoka.
"They went around shooting at people and villages indiscriminately," said the area chief Abdallah Shahasi.
Miiri Njenga, the Lamu county commissioner, said the attackers targeted some government offices and some properties were burnt down.
The Somali Islamist militant group al Shabaab, which has carried out a series of attacks in Kenya, said earlier it had staged attacks on Saturday evening in the coastal areas.
Reuters reported the militants attacked the upscale Westgate shopping mall in the capital Nairobi last September, killing 67 people.
The wave of gun and grenade attacks along the coast and in Nairobi has hurt the tourism business, which is a key source of foreign exchange.