Power BI Relationship between two tables

I have 2 tables T1 and T2 and they related to each other using T1(1-*)T2. 

Now I wanted to show the rows from T1 where I couldn't find atleast one row in T2. 

Using SQL I could write something like this ... 

Select * from T1

Left Join T2 on T1.c1= T2.c1

where T2.c1 is NULL

But how could I acheive this in Power BI. 

Any Idea would be appreciated. Thanks in advance.