The Straits Times' News In A Minute: March 18, 2016

In The Straits Times News In A Minute today, we look at: 

* Singapore is stepping up its strategy to counter terrorism, said Minister for Home Affairs and Law K Shanmugam. 

* A woman who pushed her seven-year-old autistic son out of the kitchen window of their ninth-floor Tampines flat, was sentenced to five year's jail on Friday. 

* SMRT train and bus services will have extended operating hours on March 24, the eve of Good Friday.