Two teens, aged 17 and 18, have been charged over the death of Alex Ioane at a 16th birthday party in Sydney's south-west.

The Sydney Metro Northwest line, which opened on Sunday to the delight of tens of thousands of people, is facing its first peak-hour test on Monday morning.

Special envoy roles have been reduced.

Letters, May 27

The 36km Metro Northwest trains carried tens of thousands on its first day. But it was not always guaranteed that the rail line would come to fruition.