Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A British schoolboy who lost three family members in the Tunisian beach massacre has returned home with his mother. Owen Richards, 16, suffered a shoulder injury in the massacre after a bullet grazed him before going on to hit his uncle Adrian Evans, 49, in the head. The teenager's brother Joel Richards, 19, and their grandfather Charles Patrick Evans, 78, were also killed by the gunman. There was no answer at the door to his home in Wednesbury, West Midlands, but family members and friends could be seen going in and out of the semi-detached house after he arrived early this morning.Beach massacre survivor Owen Richards, 16, has returned home to BritainSchoolboy reunited with his mother after watching family members dieFelt bullet graze his shoulder before hitting uncle Adrian, 49, in the headOwen fled as brother Joel, 19, and grandfather Charles, 73, were also shot 
 Question:When _ was later found by a medic he was ‘shaking and crying’ and he said simply: ‘I have to call my mum.’

Owen Richards