On this very day 80 years ago, the first bombs were dropped on Singapore, marking the start of almost four years of fear, suffering and oppression for the people of the island.

Mr Lim Jia Xiang thought his N.E.mation! days were over when he failed thrice to make it past the initial stages of the competition when he took part as a secondary school student.

Mr Chia Chew Soo was only 11 when the Japanese raided his home and killed eight of his family members.

Here's a sneak peek at new TV series It Will Never Happen Here, which takes a look at how different security threats can impact Singapore.