Complex sentence: The local community is very mixed due to successive waves of migration, including West Indians, Pakistanis, Bangladeshis, Yemeni, Irish, and newer arrivals such as Somalis.
Split into simpler sentences: The local community is very mixed due to successive waves of migration. It includes West Indians, Pakistanis, Bangladeshis, Yemeni, Irish, and newer arrivals such as Somalis.