叫 + 来 + 了 + Person
The verb 叫 (jiào) can mean 'to call over' or 'to summon someone to come,' in addition to its basic meaning of 'to call' or 'to be called.' When used with the complement 来, as in 叫来, it specifically means to call someone to come to a location. This construction is common in narrative contexts describing someone summoning help.
她让邻居帮忙叫来了一辆救护车。
tā ràng línjū bāngmáng jiào lái le yī liàng jiùhùchē.
She asked a neighbor to help call an ambulance.
经理把小王叫来,交代了几件事情。
jīnglǐ bǎ xiǎo wáng jiào lái, jiāodài le jǐ jiàn shìqíng.
The manager called Xiao Wang over and gave instructions on several matters.
快把医生叫来,他受伤了!
kuài bǎ yīshēng jiào lái, tā shòushāng le!
Hurry and call a doctor, he's injured!