Nipsey Hussle‘s sister is speaking out in the wake of her brother’s tragic death.

In an emotionalInstagram poston Tuesday night, Samantha Smith honored her brother after he was fatally shot in Los Angeles on Sunday at the age of 33.

“You are my heart,” she wrote. “You are my strength my wisdom my joy my balance. You are my Superhero. Invincible to me.”

She added: “Your heart is pure they don’t know you like we know you. Your love is expansive. Talk to me again. You’ve taught me so much. You hold me down through everything.”

Smith then said that she would take care of Hussle’s loved ones: his longtime partnerLauren London, his children Kross and Emani, and his brother Sam.

“I got Lauren. I got Emani. I got Kross. I got Sam, he is my responsibility now,” she wrote. “He is my big little brother. I got mommy and Granny and Pop. You gave me so many tools. You gave me so much insight. We will talk every second of everyday and I am here to carry out your vision.”

London also paid tribute to the rapper on Tuesday, sharinga slideshow of photosof them together with their son Kross, 2½.

“I am completely lost,” London wrote of her boyfriend of five years. “I’ve lost my best friend, my sanctuary, my protector, my soul.”

“We are lost without you babe — I have no words.”

London is also mother to son Cameron Carter with rapperLil Wayneand Hussle was a father to daughter Emani Asghedom from a previous relationship.

London and Smith’s tributes come just hours after asuspect was arrestedin the Bellflower neighborhood of Los Angeles for Hussle’s murder.

The suspect in question is Eric Holder,the LAPD tweeted.

Hussle was gunned down on Sunday afternoon in front of his Hyde Park clothing store, Marathon Clothing Company. Two other men were also shot, though they survived their injuries.

At a press conference on Tuesday afternoon, LAPD Chief Michel R. Moore described an alleged personal dispute between Holder and Hussle, alleging that Holder showed up in front of Hussle’s clothing store multiple times before shooting him.

“Mr. Holder walked up on multiple occasions and engaged in a conversation with Nipsey and the others that were there. He left and subsequently came back armed with a handgun and purposefully and repeatedly fired, striking and killing Nipsey Hussle,” Moore said.

source: people.com