 The release of the 51 activists coincided with a visit by United Nations envoy Radhika Coomaraswamy , special representative for children and armed conflict.
<clarity>  The release of the 51 activists coincided with a visit by United Nations envoy Radhika Coomaraswamy , special representative for children and armed conflict.
 The release of the 51 activists coincided with a visit by United Nations envoy , special representative for children and armed conflict.