The Straits Times' News In A Minute: July 17, 2017

More than 400 safety violations at work sites in June; AGC looking into Facebook post by Li Shengwu; Police investigating teacher for taking upskirt video.

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

*The Ministry of Manpower had stepped up enforcement efforts at work sites in June, targeting work-at-height activities. 

*The Attorney-General's Chambers said it is looking into a recent Facebook post put up by Mr Li Shengwu, the son of Mr Lee Hsien Yang.

*Police are investigating a teacher at Xinmin Primary School who was caught on camera taking an upskirt video of a female commuter on the MRT train.