Bob Lam expresses worries towards his family traveling in Germany right now

Following the Monday's axe assault incident in Germany, a gun shooting incident occurred on 23 July, resulting in many deaths and injuries. Hong Kong's Security Bureau issued a yellow outbound travel alert for Germany in response to the incidents. Bob Lam's (???) wife and his three daughters were all traveling in Germany this month. Bob, on the other hand, wasn't able to travel with them since