What is the fine-grained topic of the following text: Vancouver, Canada – Hannan Metals Limited ("Hannan" or the "Company") (TSXV: HAN) (OTCPK: HANNF) is pleased to announce that diamond drilling has commenced at the Kilmurry project within the 100% owned Clare zinc project in Ireland after receipt of final drill permissions from the relevant authorities. Only return the topic.
Hannan Metals Limited commences diamond drilling at Kilmurry project in Ireland.