Gunmen ambushed two areas in coastal Kenya early Sunday , leaving at least 22 people dead , authorities said . At least 13 people died when attackers opened fire after midnight in Hindi near the popular tourist coast of Lamu , the Kenyan Red Cross said . Hindi is near Mpeketoni , where assailants killed dozens of people under the cover of darkness last month . A second overnight raid killed nine people at a police station in Gamba in Tana River county . One other person was hospitalized , and another was reported missing , the Kenyan Red Cross said . The Al-Shabaab Islamist terror group claimed responsibility for the weekend attacks , saying its militants killed 50 people and pledging more bloodshed . `` Our fighters came back their base unharmed after the attacks , '' the terror group 's spokesman , Sheikh Abdiaziz Abu Musab , told the Somalia-based Radio Andalus . Kenya 's tourism industry has taken a hit amid attacks in the coastal region . In May , tour companies evacuated hundreds of vacationers from Kenya after the UK and the United States issued travel alerts that warned of a `` high threat '' of terrorist attacks . Al-Shabaab , a Somali-based militant group , has claimed responsibility for most attacks . The Kenyan military crossed into Somalia in 2011 to battle Al-Shabaab , which it blamed for kidnapping tourists in the coastal region . In retaliation , the terrorist group has launched a spate of attacks , including targeting bustling bus stations with grenades . Last year , militants stormed the Westgate Mall in Nairobi and held shoppers under siege for days . At least 67 people were killed . READ : What is Al-Shabaab ? READ : Citing security , U.S. moves some from Nairobi embassy . READ : At least 5 killed in gun , machete attack on Kenyan village .
Al - Shabaab claimed responsibility for both attacks . One was near Nairobi , where dozens of people were killed last month . Kenya 's tourism industry has taken a hit due to unrest in the coastal region .