"Brad has pulled his arms away. It is hard for the referee to judge it. He has a split-second decision to make it but I think Brad used his experience to pull his arms away and then you get punished," he said.
Asked whether he thought Luis Suarez had dived, he added: "I'll let you be the judge of that.
"I am not being critical of anyone. I'm not getting caught into that, the guy is a world-class player."
Of his team's performance, Lambert said: "I thought we were excellent. I thought Ron Vlaar was excellent, Benteke looked back to himself but we lost Gabby (Gabriel Agbonlahor) at a vital time and he was unplayable.
"I always thought we looked a threat on the counter-attack We might have sneaked it but I don't think anyone could begrudge us a point."
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