A suicide bomber said by Turkey  to be affiliated with Islamic State was responsible for a blast near Istanbul’s grandest tourist attractions that has killed 10 people, most of them German.

Confirming eight of the victims as German citizens, Berlin sent out an urgent travel warning to its citizens telling them to avoid gatherings or landmarks in Istanbul and Turkey as a whole. Peru’s foreign ministry said one Peruvian man was killed and a Peruvian woman was among the 15 people who were wounded. It was not known whether the bomber was counted among the dead.

Earlier, Turkish officials had said the bomber was an individual of Syrian origin born in 1988, and an investigation was ongoing to determine his affiliation, although it was  only said he was a foreign national.