Highveld Lions have become the second Group B team to qualifiy for the semi-finals of the Champions League Twenty20 Cricket tournament. At Johannesburg today, the team belonging to the host nation, defeated Yorkshire by five wickets to make the last four stage. Set to score 132 runs for a win, Highveld Lions surpassed the target by making 134 for Five in 19.2 overs. The Australian side, Sydney Sixers, have already qualified for the semi-finals from the same group.With both the semi-final spots already booked from the Group, the result of tonight's Group 'B' match between Chennai Super Kings and Mumbai Indians at Johannesburg is only of academic interest. Meanwhile, Mumbai Indians have elected to bowl after winning the toss against the Chennai team.