French police launched dozens of fresh raids across the country. Photo: Wikimedia Commons.

French police launched dozens of fresh raids across the country Tuesday and warplanes bombed Islamic State jihadists in Syria after President Francois Hollande vowed a merciless fight against the group that attacked Paris.

As France stepped up its investigation into the country’s worst-ever terror attacks that killed at least 129 people, security forces launched a series of dawn raids targeting scores of homes.

Read full story at AFP.