Brighton MuronzereyiSTAFF WRITERmuronzereyib@dailynews.co.zw ADVOCACY group, Brave Little Hearts Zimbabwe (BLHZ), is escalating its push to have children born with heart defects prioritised by authorities, as many of them succumb to those health conditions due to lack of affordable healthcare. BLHZ, a Bulawayo-based organisation, has been at the forefront of campaigning for better treatment of children…

